... 1. Material: stainless stell 2. Type: compression spring stainless steel compression spring1. Processing machine: CNC spring machine, Auto spring machine2. Material: ... when in the cost of the samples is not too high. 2). We do not assume the freight of the samples ... so on)12. Customize:all kinds spring such as the compression spring,leaf spring, coil spring, torsion spring, Special-shaped springs ...