1. valve spring with wire diameter from 0.2mm up to 3.2mm

2. valve spring is made of carton steel, piano steal, SUS, alloy steel, iron, plated steel etc.

3. valve spring is extensively used in telecommunication, computer peripherals, housing appliance, switching, toy and other industrial areas

4. Strict quality control, prompt delivery, competitive price and excellent service

5. plastic bags/inner carton/outer carton packing

6. OEM is provided