What are raw materials for constant force spring production?
In our opinion, raw materials are the start of the finished products at the process of production. It is very important because it has an impact on the quality, the cost, and function of the finished product. We ensure that each in-material is from our reliable suppliers who has signed long-term cooperation contracts with us, and is well inspected by our QC team to be excellent basics for the manufacturing of constant force spring. We are certainly sure that the raw materials used in our company top the industry and cost the least over other peers.
YUAN SINE SPRING ENTERPRISE CO., LTD has been focusing on producing high-quality compress spring for many years. YUAN SINE SPRING's compress spring is various in types and styles to meet the different needs of customers. This product is waterproof. The seams on it are applied with seam sealer that will keep moisture from seeping through. The product has passed a fatigue tension test. Promoting YUAN SINE SPRING's core competence based on fostering the outstanding corporate culture. Treated with special technology, its surface is sleek and burr-free.

We concern the environment and the future. We will occasionally carry out training sessions for production workers on the issues of water pollution control, energy conservation, and environmental emergency management.

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