| Port: | SHANGHAI |
| Payment Terms: | L/C,T/T |
| Supply Ability: | 1000 tons per Week |
| Finished: | Antirust Oil/Dacromet coating/Electrophpresis coating/Powder coated |
| Place of Origin: | Jiangsu, China |
| Warranty: | 5 years |
| Size: | 1 3/4'', 2'', 2 5/8'', 3 3/4'' |
| Material: | Carbon steel / Manganese steel |
| Project Solution Capability: | graphic design |
| Model Number: | Customized |
| Design Style: | high quality |
| After-sale Service: | Online technical support,Onsite Installation,Onsite Training,Onsite Inspection,Free spare parts,Return and Replacement |
| Brand Name: | Master Well |
| Thickness: | 207/218/225/234/243/250 |
| Function: | For sectional door use |
| Type: | Residential & Industrial,torsion spring |
| Product name: | Garage door torsion spring |
| Package: | Wooden case |
| Application: | garage door |
| Hardware System: | USA / EU standard |
| Certificate: | Ce, ISO9001 |
| Packaging Detail: | wooden case or wood pallet or steel pallet |
| Package Preview: |  |
Trade Assurance
Product quality 
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Manufacturer, Trading Company
Onsite Material Inspection
