OEM stainless steel sofa bed spring with compression spring

Product Overview

Description

 

       

If you want to send an enquiry to us, you must have some datas of the tensile spring, such as:

1.wire diameter

2. the dimension of the spring inner diameter and outer diameter,and include the tolerance

3.free length of the spring

4. Total coils or active coils of the spring

5.the materials

6. Surface treatment

7. what kind of the spring sharp,and which ends of the spring you want?