Automated Laminator Technical Agreement Pocket Production Line Of Battery Plate
1． Design requirements for production line of battery plate of bag type
1.2．Plate blank production process: the steel strip under the frame and the strip shape to fill a powder, powdered and secondary filling powder scraper (-) – The up with frame - up and down the strip the merger - oriented - arm in the mouth - blank holder to bend (- > clear powder), crowded mouth - cut off - loading (small storage) workbench (9 m) - article spell - the embossing - cut - plate continues the delivery. The negative plate blank production line only needs seasoning once, no secondary packing and powder.
1.4．Performance requirements of plate blank production line: 1.3 under normal production conditions. Requirements of the clause; Each regulation part, feeding mechanism, powder feeding and packing mechanism, forming combination mechanism, pressure shear mechanism, requirements of stability and reliability, easy to operate; All moving parts shall have reasonable, reliable and convenient lubrication mechanism.
1.5. Dust prevention:
1.5.1. The production line must have reliable dustproof facilities, and the dustproof facilities reserve the air intake; There should be material collection tank under each working face, which requires complete collection and convenient operation. Safety door of all dustproof cover should be firm and reliable, convenient to operate and maintain.
1.5.2. All electrical facilities, switches, sockets and plugs shall be dustproof and explosion-proof. The power cord shall have a protective cover.
1.6. After the design is completed, the construction drawings shall be confirmed and signed by party a and shall be attached to this technical agreement.
1.7．Plate automatic production line equipment:
| NO. | Process name | Devicename | Capacity of equipment | Quantity (Sets) | Remarks |
| 1 | Load material | Automatic powder feeder | 250kg /netx | 2 | Automatic loading |
| 2 | Package powder | Plate automatic powder wrapping machine | ≤20m/min adjustable | 2 | |
| 3 | loading | Loading station | 9m | 1 | No power roller conveyor belt |
| 4 | No power roller conveyor belt | Spline shear machine | ≥25次/min | 1 |
1.7. Equipment assembly drawing
2．The main equipment and facilities of the production line for the blank of the pad of bag battery
2.1．Auto-feeder
2.1.1．Design requirements
2.1.1.1．Employees will be filled with material of sealing the car (a load of material weight about 250 kg) to automatic feeder lift platform and lock, start the automatic feeding machine, sealing the car up to high, the motor drives the car to move horizontally fixed hopper outlet, fixed hopper interface automatically rise and car discharging mouth docking, sealing the car outlet valve opens automatically, automatic material into the fixed inside the hopper, the whole process of seal, no material leakage.
2.1.1.2．Features: automatic feeding, automatic delivery, reduce manual operation, process sealing, reduce dust pollution.
2.1.2．Main parts of equipment
| No. | System composition | System configuration | Quantity |
| 1 | Rack system | Welded frame construction | 1 |
| AC motor | 4 | ||
| Chain drive | 4 | ||
| Reduction gearbox | 4 | ||
| Seal the bearing seat | 8 | ||
| Gripper mechanism | 2 | ||
| Air cylinder | 2 | ||
| 2 | Sealing the car | Sealing the car | 4 |
| Gate valve | 4 | ||
| Sealing carriage | 4 | ||
| Blanker | 4 |
2.1.3． Technical Parameter
|
Specifications Item |
ZLA01A |
| Efficiency | The single feeding speed of the trolley is about 250kg and < 20min/ time |
| Total power(kw) | AC380V,50HZ 1.5KW |
(kw) |
AC380V,50HZ 1KW |
|
800KG |
| Effective capacity of sealing carriage | 250KG/辆 |
2.1.4．Equipment diagram
2.1.5．Main equipment parts
2.1.5.1．Frame system: channel steel, i-steel welded structure, stable and reliable; The feed lifting motor adopts variable frequency motor, the speed is adjustable, and the guide rail on both sides adopts i-steel structure, which is stable and reliable in the lifting process. The whole frame is sealed with transparent PE plate, with sealed door on both sides, which is convenient for maintenance.
2.1.5.2. Sealing carriage: the sealing carriage frame is made of 8040 square welding, four load-bearing cardan wheels at the bottom, and the hopper is made of mirror stainless steel. Sealing carriage discharge port with plug valve discharge switch, top cover seal. The negative material sealing car is equipped with a blanking mixer.
2.2．Powder packing machine
2.2.1. Design requirements
2.2.1.1．This machine is suitable for the production of small strip of low, medium and high ratio battery plate. It is simple and convenient to adjust and replace the tooling wheel. Stable and reliable operation of equipment; Complete lubrication, reliable and easy operation; Rich material collection is complete, reliable and convenient. The process of powder coating is carried out under sealed environment to reduce dust pollution. Doors and Windows are sealed with organic glass panels for easy observation, opening and closing. The dustproof facility is complete, convenient, reliable and beautiful.
2.2.1.2．Technological process: lower steel belt frame, lower steel forming, primary powder filling (scraper), pulverization, secondary powder filling (scraper), upper steel belt frame, combination of upper and lower steel belt, guiding, pull edge, bending, extrusion, cutting.
2.2.2. Main components of equipment
| No. | System composition | System configuration | Quantiity |
| 1 | Rack | 1set | |
| 8040 square welding skeleton structure | 1 | ||
| Table top A3 steel plate | 1 | ||
| Drive system | |||
| Collecting tank | 1 | ||
| Dust cover | 1 | ||
| 2 | Fixed bin | 1 set | |
| Stainless steel bin | 1 | ||
| Expansion joint | 1 | ||
| Constant rate feeder | The anode without | ||
| Riddler | The anode without | ||
| Conveyor | The anode without | ||
| Conveyor sweep mechanism | The anode without | ||
| Collecting tank | The anode without | ||
| Dust cover | The anode without | ||
| 3 | Strip reeler | 2sets | |
| Friction unwinding mechanism | 4 | ||
| Guide wheel mechanism | 16 | ||
| 4 | Forming powder system | 2sets | |
| Tank | 2 | ||
| Transmission system, ac frequency conversion motor, gear | 2 | ||
| Lubrication system | 2 | ||
| Tooling wheel regulating mechanism | 4 | ||
| The forming tooling | 2 | ||
| Once fill the hopper and scrape the adjuster | 1 | ||
| Powdered tooling | 2 | ||
| Refill hopper and scraper adjuster | 2 | ||
| Merger of tooling | 2 | ||
| Mouthing tooling | 2 | ||
| Blank holder tooling | 2 | ||
| Bending tooling | 2 | ||
| Crowded mouth tooling | 2 | ||
| 5 |
Cut-off system |
2sets | |
| Linear differential compensation system | 2 | ||
| Cylinder drive mechanism | 2 | ||
| Cylinder cutoff mechanism | 2 | ||
| 6 |
Dust control system
|
2Sets | |
|
Dust control system |
2 | ||
| Powder recovery mechanism | 2 | ||
| 7 | Control system | 2 Sets | |
| PLC- Omron, Panasonic | 2 | ||
| Independent electrical cabinet | 2 | ||
| 8 | Operating system | 2 Sets | |
| Touch screen - kunlun tong tai,e-view | 2 |
|
Specifications Item |
ZME01A | |
|
Technical parameters |
Efficiency | ≥20m/min Adjustable |
| Working clearance of tooling wheel | Adjustable (effective adjustment range)0 ~ 4mm | |
| Material fill | Adjustable | |
| Inner and outer diameter of steel tape | Inner diameter 200mm, outer diameter 600mm, | |
| Compressed air system | Gas source provided by party a (with its own gas storage tank) | |
| Total power(kw) | 5.5 | |
|
5.5 | |
2.2.5.1 Rack system:
2.2.5.1.1 structure declaration: Use 80120 square welding structure, surface baking paint, the main color of equipment appearance GSB05-1426-20018 PB07 light (iron) blue. The table panel is made of 20 thick steel plates. The material collection groove is welded with stainless steel plate. The drive system is driven by the motor through the gear to the main gear box, driving each tooling wheel.
2.2.5.1.2 Schematic diagram:
2.2.5.2 Fixed bin
2.2.5.2.1Structure declaration:It adopts flexible connection system, with sealing ring on the end face, and sealing material in the blanking section of the sealing car. The uniform feeding mechanism of powder material is driven by variable frequency adjustable speed motor, and the rotation speed can be adjusted on the touch screen. The material after feeding with uniform speed vibrates through the vibration screen of 10 purposes at high frequency. The granular material is screened to the material collector, and the qualified material falls onto the conveyor belt and is transported to the powder hopper through the conveyor belt. Under the conveyor belt a cleaning brush. The powder hopper adopts mirror stainless steel structure, and the inner wall is smooth and clean to ensure smooth discharge. There is a rotating valve at the bottom, which can adjust the filling amount of powder. The anode material flows directly into the powder hopper after passing through the uniform feeding mechanism.
2.2.5.1.2 Schematic diagram:
2.2.5.3 Steel strip unwinding system:
2.2.5.3.1 Description of the structure: it adopts the friction wheel rolling mode with inner diameter of 200mm and outer diameter of 600mm.
2.2.5.3.2schematic diagram:
2.2.5.4Forming powder system:
2.2.5.4.1 structure declaration:The lower steel belt goes through the lower steel belt frame, forming the material hopper (the scraper plate), pressing the powder hopper (the scraper plate), the upper steel belt frame (the upper steel belt passes through), the upper steel belt frame (the upper steel belt passes through), the combination of the upper steel belt frame, the guide plate, the edge pressing plate, the bending plate, the extruding plate, the small bar forming, completing the small strip production.Each tooling wheel is driven by shaft fixation and gear.The clearance of tooling wheel is adjusted by adjusting mechanism of tooling wheel.The working axle and the box body are fixed with the sliding bearing, which is stable and reliable.The gear box body adopts castings and contains lubricating oil.There is no pressing and secondary filling hopper in the negative forming powder packing system.The right side of the packing hopper has the scraper plate that can be adjusted easily.
2.2.5.4.2 Schematic diagram:
2.2.5.5cut-off system
2.2.5.5.1structure declaration:When the small strip of the plate reaches the required length and contacts the travel switch, the feeding cylinder drives the cutter to move together. The speed is the same as that of the plate, and the cylinder of the cutter presses down to cut off the small strip of the plate. After cutting off, the feeding cylinder drives the cutter back to the origin. Small plate length adjustable.
2.2.5.5.2schematic diagram:
2.2.5.6 Dust control system
2.2.5.6.1 structure description: dust cover is adopted, dust interface is kept, and inclined bin is adopted to collect powder under powder compound.The dust cover adopts PE transparent plastic sheet aluminum alloy frame fixation.
Cause analysis of dust generation
1.1 dust generated by substance before powder coating: dust generated by substance during transportation, feeding, feeding and artificial screening powder.
1.2 dust generated by materials in the process of powder coating production: dust generated in the production process of packing, plate small bar cutting, striping, compression shear, weighing, plate blank conveying, etc.
countermeasures
1.1 aiming at the dust generated before the material is powder coated, material leakage and dust are eliminated by means of sealing carriage transportation, sealing feeding, feeding and sealing screen powder feeding.
1.2,Aiming at the dust produced by the material in the process of powder coating production, dust cover is adopted to suck up floating dust and dust collection trough to collect falling dust and achieve dust prevention and removal.
2.2.5.6.2 Schematic diagram:
2.2.5.7Control panel
Electrical cabinet is installed outside the machine, with leakage switch, dc stability power supply and other power loop components inside. PLC, relay and motor control device are used for control. The connection with the external is made by means of connectors and terminal blocks. The PLC USES omron. The cables and air pipes of other equipment are arranged and pipework in the lower part, and the explosion-proof lamp is inside the equipment.
2.2.5.8 Operating system
Touch screen operation. Power on, emergency stop, manual, automatic button, break protection.
2.3. Loading table (small strip storage)
2.3.1 Conveyor roller: adopt the non-power conveyor roller with diameter of 20-25mm and interval of 50mm. The frame adopts welding structure.
2.3.2Powder collection agencies: every 1.5 meters a powder collection agencies, with drawer below powder collection storehouse, artificial closed set positions can be taken out, collection agency adopts 304 stainless steel structure (as above) structure.
2.3.3Seal cover: transparent PC seal cover is used above the work table, with 3 suction circular holes on the top.
2.3.4Small flip mechanism: loading platform above a reversible V positioning groove, powder packing machine down small forward in the V groove, article by small won't swing bend, when small cut, V groove can flip, small flip to the loading on the stage.
2.4．Spline shear machine
2.4.1. Design requirements
2.4.1.1．The machine is made of small strip of battery plate which needs width and then sheared into rough plate which needs length.It is suitable for the production of low, medium and high ratio battery plate.Pasting, embossing, shear linkage, operation matching;Spline width, compression thickness, shear length, running speed adjustable, screen adjustment, display shear length;Shear plate blank automatically out, automatic transmission.Double semicircular spherical compression, linear differential shearing, to ensure the appearance of plate blank beautiful, reliable cutting.The equipment operates steadily and reliably, and is qualified in shear without burr;Complete lubrication, reliable and easy operation;Waste materials, powder, waste collection and recycling is completely reliable and convenient.The dustproof facility is complete, convenient, reliable and beautiful.
2.4.1.2．Technological process :(cut off, loading table (9M), striping, cutting, striping, sorting (select the incomplete plate blank), transfer.
2.4.2. Main components of equipment
| NO. | system composition | system configuration | quantity |
|
1
|
Machining system | 1SET | |
| Casting frame | 1 | ||
| table top | 1 | ||
| Top cover - plexiglas | 1 | ||
| Collect the drawer | 1 | ||
| 2 | Drive system | 1SET | |
| AC MOTOR | 1 | ||
| gear drive | 1 | ||
| 3 | Spline embossing system | 1SET | |
| Article spell institutions | 1 | ||
| Show edge institutions | 1 | ||
| 4 | Embossing system | 1SET | |
| Upper and lower roller diameter 200mm | 1 | ||
| Motor - AC motor | 1 | ||
| 5 |
cutting system
|
1SET | |
| Linear differential compensation system | 1 | ||
| Oil pressure cutting mechanism | 1 | ||
| 6 | Blank sorting system | 1SET | |
| rotational system | 1 | ||
| jack-up system | 1 | ||
| Waste collection agency - stainless steel 304 | 1 | ||
| 7 |
Dust control system |
1 | |
| Dust cover | 1 | ||
| Waste recovery organization | 1 | ||
| 8 | transport system | 1set | |
| Conveyor chain | 20 | ||
|
1 | ||
| 9 | Control, operating system | 1套 | |
| PLC-OMRON | 1 | ||
| Touch screen - kunlun tong tai |
2.4.3. Main technical parameters of the equipment
|
Specifications ITEM |
ZME01A | |
|
Technical parameters |
Spell the width | 60～400 mm adjustable |
| Embossing thickness | 1.4～5mm adjustable | |
| sheared length | 80±0.3～200±0.3 mm adjustable | |
|
≥25次/min | |
| compress air system | Air source provided by party a | |
| total power(kw) | 10.5 | |
|
10.5 | |
The plates are spliced together after being cut off on the powder adding machine. After passing through the front pressure wheel, the plates enter the embossing wheel. The motor drives the embossing wheel to rotate, and the plate is embossed. There is a pair of feeding mechanism close to the cutter mechanism between the cutter mechanism and the embossing wheel.
2.4.5.1．Rack system:
2.4.5.1.1. structure declaration:Casting frame is adopted, the structure is firm and reliable, and the stability is good. Process all 2 parts connection surfaces. Non-contact surface coating. The main color of the surface is 8 PB07 light (iron) blue color of gsb05-1426-2001. The substrate is treated by plating on the surface of the steel plate.
2.4.5.1.2. schematic diagram:
2.4.5.2．drive system:
2.4.5.2.1. Description of the structure: the large torque ac motor drives the gear mechanism through the chain of sprocket, drives the roller to press the stripper, and the gear adopts the large modulus, thickened gear and strong rigidity.
2.4.5.2.2. schematic diagram:
2.4.5.3．Article spelling system
2.4.5.3.1. Description of the structure: manually match the small strips together according to the needs, and place them in the middle of the plywood. Press the hand wheel to tighten the small strips.
2.4.5.3.2. Schematic diagram:
2.4.5.4．Embossing system:
2.4.5.4.1. Description of the structure: manually put together a certain number of small plates as required, and arrange them in order through adjustable baffles, and push them under the embossing wheel. The upper roller adopts spring pressing mechanism. The embossing is double semicircular spherical embossing. Upper roller height adjustable, with scale, and with dial display. Both upper and lower pressure rollers are main driving wheels, while moving, gear mesh. The plate is compressed by two rollers to prevent the plate from warping before entering the cutter.
2.4.5.4.2. Schematic diagram:
2.4.5.5．cutting system
2.4.5.5.1. Structure description: the plate after embossing is sent to the baffle before cutting through the guide roller, and the baffle is pushed to drive the crimping mechanism together. When the current drive mechanism hits the travel switch, the oil pressure system starts, the oil cylinder is cut off and the blank is cut off.
2.4.5.5.2. schematic diagram
2.4.5.7．Dust control system:
2.4.5.7.1. Description of the structure: transparent PE plate is used for sealing, and the entire embossing shear seal is sealed. There is a suction structure above the embossing shear, so that the box is in a negative pressure state, leaving only the spline position for workers to operate.
2.4.5.7.2. schematic diagram:
2.4.5.8．transport system:
2.4.5.8.1. Description of the structure: after cutting off the blank, after the screening mechanism, the transmission mechanism will transfer the blank to the electronic weigh before, the feeding mechanism with elastic push plate, one time to push 2 pieces of blank.
2.4.5.8.2. schematic diagram:
2.4.5.9. controlled operating systems
Electrical cabinet is installed outside the machine, with leakage switch, dc stability power supply and other power loop components inside. PLC, relay and motor control device are used for control. The connection with the external is made by means of connectors and terminal blocks. The PLC USES omron or panasonic. Other equipment between the cable, air pipe in the lower part of wiring and piping. Touch screen operation. Power on, emergency stop, manual, automatic button.
2.6．Energy medium
2.6.1power source
1>Voltage AC380V + / - 10% three phase instantaneous change < 0.5s > < 10%
2>Frequency 50 hz + 1 hz
2.6.2air
1>Pressure to zero. 5 mpa
2>The flow of 20 l/min
3．Equipment acceptance conditions
3.1．Submit documents, tools and spare parts list at random:
| NO | Material (data) name | copies | submission time | remarks |
| 1 | Special debugging and maintenance tools | 1Set/sets of |
|
1 set/set of hexagon wrench |
| 2 | Equipment operation manual shall include the following: () 2.1 specifications and operating instructions; 2.2 equipment repair and maintenance manual: introduction of working principle; Mechanical general arrangement, component assembly diagram; Lubrication and maintenance specification; | 1set | When delivered or before the equipment is delivered for use | electronic document |
| 3 | Packing list and product certificate | Packing list and product certificate | ||
| 4 | Electrical schematic diagram, PLC program diagram | 1copy/set | after receipt of full payment | |
| 5 | Drawings of vulnerable parts and spare parts | 1 copy/set |
|
Some vulnerable parts are provided with PDF size drawings |
| 6 | Tooling wheel: one pair for each positive-pole powder tooling wheel, 23 * 23, 25 * 25. One pair for each pair of negative pole powder tooling wheel, 21 x 21, 23 x 23 | 4sets | The time of delivery | Provide PDF dimension drawings |
3.2. Acceptance documents: equipment pre-acceptance documents, equipment final acceptance documents.
3.2.1. Acceptance model: according to the technical agreement on the size of incoming materials. 3.2.2. Acceptance result: acceptance according to technical agreement. 3.2.3. Preliminary acceptance standards:
3.2.3.1. Pre-acceptance shall be conducted on party b's site; 3.2.3.2. The equipment is complete and in good condition, in accordance with the relevant provisions of the contract and technical agreement; 3.2.3.3. The pre-acceptance mainly involves the acceptance of all functions, technical indicators and appearance of the equipment, and further adjustment of non-conforming items as required by party a. Upon completion of the adjustment, the goods will be delivered with party a's consent.
3.2.3.4. Pre-acceptance form acceptance notes;
3.. 2.4. The final acceptance standard
3.2.4.1. Used for acceptance of commissioning of the material in line with the requirements of this agreement;
3.2.4.2. Equipment continuous production a week after the official acceptance, acceptance run continuously 2 hours;
3.2.4.3. Acceptance of the specified engineering and technical personnel to participate in and signed by both parties acceptance report.
4,Rights and obligations of both parties:
| No. | Items | The responsibility party | Remarks(“○”Representation party) | |
| Part a | Part b | |||
| 1 | Foundation construction | О | Implement when necessary | |
| 2 | Adjust the material on the seller's site | О | Provided upon seller's notice | |
| 3 | transportation | О | ||
| 4 | The unloading handling | О | Place the mounting position and fix it. | |
| 5 | Equipment conditions | О | ||
| 6 | Air piping construction | О | The air pressure is required to be stable and the air source meets the related parameter requirements. | |
| 7 |
electrical working |
О | Independent power switch is required | |
| 8 | A wiring gas source to take over |
О
|
Independent air switch and air source interface are required. | |
| 9 |
The outside of the distributing cable ready |
О | The machine adopts ground catheter wiring. | |
| 10 | installation and debugging | О | О | Arrange related operators, maintenance personnel and technicians to cooperate. |
| 11 |
Training: 11.1 training operators and security personnel to operate the equipment correctly, security staff can quickly correct processing equipment failure; 11.2 the training content includes the entire control system, mechanical system of security knowledge and provide training input; 11.3 training effect: operation personnel skilled operation, security guards can handle general common faults. |
О | О | The buyer need to specify operating personnel, maintenance personnel. And fixed, can not be replaced at will; Provide two free training opportunities (training on the buyer's side) and a third charge: travel costs. |
| 12 |
Confidentiality clause: 12.1 the two sides to any technical information and material provided by the other files have the obligation to confidentiality, without the consent of the other, the transmit or leaked to third parties in any way; 12.2 the buyer undertakes not to itself, and does not allow the third party he imitated the equipment, otherwise bear so for all the losses resulting from the seller. |
О | О | |
|
13
|
After-sales service: 13.1 from the final acceptance of the minutes as of the date of signature, one year warranty when the seller is responsible for the non-artificial fault free and within 7 days after informed by the buyer, seller shall (arrived at the buyer's site). 13.2 more than a year, the seller shall promptly repair, only charge a cost;； |
О
|
О | . |
| 14 | Product update: due to the seller's technical development, upgrading of equipment and performance improvement, at the request of the buyer the seller shall be responsible for the upgrade, the seller only charge cost | О | О | |
5. Intellectual property rights (ipr)
5.1. This technical agreement relates the product modeling and design drawings provided by party a and other information contained in the intellectual property owned by party a, without the consent of the party a, party b may not disclose to any company and individual, otherwise party b is responsible for all the losses arising there from. Party a only agrees that party b shall use all materials and information provided by party a for the purpose hereunder.
5.2. Party b agrees it will not be design drawings and other information provided by party a or information for the purpose of this technical agreement other than those, otherwise party a has the right to pursue party b corresponding responsibility.
5.4. All equipment shall remain the property of party b, party a promises not to allow other third-party generic class equipment, to undertake all the losses thus caused to party b the otherwise.
6. Dispute resolution
Any dispute arising from or in connection with this agreement shall be settled by both parties through negotiation or mediation. If negotiation or mediation fails to achieve any result acceptable to both parties within two months, the dispute shall be settled by arbitration, which shall be conducted in accordance with the arbitration regulations of the People's Republic of China.
7. Default and liability
Both parties must strictly perform their respective obligations, in the case of one party violates basic terms and conditions of the agreement, the other party has the right to terminate the agreement, and shall have the right to claim against each other, claim amount in accordance with the relevant provisions of the economic contract law.
8. Others
8.1 This technical agreement and its accessories shall be the basis of equipment manufacturing and acceptance and shall be equally valid with the order contract.
8.2. This agreement is made in duplicate, with party a keeping one and party b keeping one. It will take effect from the date of signature and seal of authorized representatives of both parties.
8.3. Matters not covered herein shall be settled by both parties through negotiation.
1. New equipment promise
Our company guarantees that the goods provided to customers are brand new, complete and unused equipment.
2. Confidentiality commitment
Our company promises that without the written permission of any party, the other party's related drawings, technical information, business information and other business secrets and technical secrets must not be leaked to third parties in any way.
3. After-sales service commitment
(1) Two months from the date of shipment of the equipment, Party B is responsible for non-human faults in a timely and free warranty within one year (when the equipment is faulty, the after-sales service staff will respond within 2 hours after receiving the notification. According to the situation, personnel must be in place within 48 hours. No later than 60 hours, to ensure the continuity of production by the buyer;
(2) After the equipment has passed the warranty period, if there is a problem, the two parties communicate and deal with it. If necessary, after-sales personnel will be sent to repair it, and only the cost will be charged. Zh
(3) During the warranty period stipulated in the contract and technical agreement signed by the two parties, the company will provide a warranty for quality problems that are not caused by human damage during the normal use of our products.
