We can accept the custom all kinds of garage door torsion spring, pls provide us the drawing ,quantity so that we will quote for you A.material B. thickness(or sheet sizes) C. free length and width D. drawings with details E. quantity needed
| Product Name | Manufacturer Automatic Heavy Duty Professional Factory Direct Sales Garage Door Torsion Springs With Cones |
| Material | Stainless steel;Carbon steel;Copper;According to customer demand |
| Surface Finish | Hardening;Polish;Anodized;Sandblasting;Powder coating;Vacuum Plating;Nickel; |
| Zinc;Chrome;Tin;Silver plating etc. | |
| Main Products | Compression Spring;Extension Spring;Torsion Spring;Wire forming spring and so on |
| Test Equipments | Projector;Digital hardness tester;Digital torsionstrength tester;Digital tension and |
| compression strength tester;Elasticity tester;Life tester;Salt spray test machine etc. | |
| Quality Control | 1.IMDS,PPAP,SPC,FMEA,MSA quality management. |
| 2.Tolerance control : DIN, JIS Standard. | |
| 3.Manufacturing processes inspection per hour and per batch. | |
| 4.Traceable management thoughout all process from raw material to customers. |
RUICHI specializes in the production and sales of building hardware and we are focuses on providing building hardware solution.
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