
YUAN SINE SPRING ENTERPRISE CO., LTD is now a competitive business in supplying one-stop alternative about custom torsion springs for customers. YUAN SINE SPRING produces a number of different product series, including extension springs. The product is reusable, erasable and everlasting, which is suitable for students, engineers, designers, managers and anyone who needs to be extra organized, innovative and productive. The product has passed a fatigue tension test. The product features zero buzzing and humming which is annoying and disturbing. Thus, it offers users a noiseless and comfortable illumination environment. Its load of each contact point is even when the product is stressed.
We bear social responsibilities. We live up to our responsibility towards the environment and society through each and every one of our products.