YUAN SINE SPRING has made great achievements in extension springs business. YUAN SINE SPRING produces a number of different product series, including extension springs. The design of our company custom torsion springs is completed by using the template provided by our customers. It is strictly carried out by complying with the dimensions and printing requirements. The product is fabricated using a wide range of wires and metals. Its long operational life enables users no longer to climb up a ladder or a pole to replace the old bulb, meanwhile, it helps users to cut much cost in maintenance fee. The product has passed a fatigue tension test.
Our company bears social responsibility. Our efforts in achieving the same product properties with less raw material results in not just cost savings but better CO² footprints and an immense reduction in waste.