China Extension Spring,Extension Spring Manufacturer
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Product Description
1>Tension Spring with wire diameter from 0.1 up to 20mm;
2> made of carbon steel, piano steel, SST, alloy steel, iron, plated steel etc.
3> generally used in telecommunication, medical instruments, optical equipments,
Power supply, switch, computer peripherals etc.
4> first-class quality and customer designed shapes;
5> packing with inner plastic bags/inner cartons/ outer carton;
3. Finish: Black oxide, zinc plating, nickel plating, chrome plating, power coating, passivate and oiled to prevent rust
4. Life
