Shenzhen Kemifon Precision Manufacturing Co., Ltd.
| Delivery Time | 10-25 Days |
| Payment Terms | T/T |
| Supply Ability | 2000000 Pcs / Month |
| Packaging Details | Standard Export Packaging |
| Model Number | KF-ES-1 |
| Certification | ISO 9001 |
| Brand Name | KEMIFON |
| Place of Origin | Shenzhen, China |
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Product Specification
| Delivery Time | 10-25 Days | Payment Terms | T/T |
| Supply Ability | 2000000 Pcs / Month | Packaging Details | Standard Export Packaging |
| Model Number | KF-ES-1 | Certification | ISO 9001 |
| Brand Name | KEMIFON | Place of Origin | Shenzhen, China |
| High Light | heavy duty zinc plated extension springs ，corrosion resistant DIY extension springs ，premium extension springs for home repairs | ||
This is a 133-piece custom extension spring assortment kit manufactured by a professional spring manufacturer. It includes 18 commonly used sizes with zinc-plated surface treatment for enhanced corrosion resistance and durability. We support OEM and custom service to provide complete spring solutions for DIY projects, home repairs, tools, automotive parts, and mechanical equipment.
Our custom extension springs are widely used in home repairs, DIY projects, gate latches, hand tools, mechanical equipment, automotive parts, small devices, and various daily hardware maintenance scenarios. As a professional manufacturer, we provide custom service to meet different application requirements.
As a professional spring manufacturer, we provide full-range OEM and custom service for extension springs. Customers can customize sizes, wire diameter, material, surface treatment, quantity, and packaging. We support small-batch and mass customization, and provide professional design and production solutions to meet your industrial or commercial needs.
As a qualified spring manufacturer, we implement strict quality control for all custom and standard products. We inspect raw materials, monitor production processes, test tensile strength, check surface finish, and conduct final packaging inspection to ensure stable performance, reliable quality, and compliance with customer requirements.
Q: What material and surface treatment are these extension springs made of?
A: These extension springs are made of high-quality steel wire with galvanized surface treatment for good rust resistance and durability.
Q: Do these springs come with hooks on both ends?
A: Yes, each spring is designed with hooks on both ends for easy installation, tension and connection use.
Q: How many springs are included in one set?
A: One box set includes a total of 133 pieces of extension springs in assorted sizes to meet different daily and repair needs.
Q: Are these extension springs sold individually or as a complete kit?
A: They are sold as a complete assorted kit in one box, with various sizes mixed together, not sold separately.
Company Details
Business Type:
Manufacturer,Trading Company,Exporter,Seller
Year Established:
2009
Total Annual:
50000000-60000000
Employee Number:
200~300
Ecer Certification：
Verified Supplier
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