Auto spring descriptions:
1The car spring resistent to both high and low tempertant.
2The car spring are manufactured of good material,have long lief.
Features
(1)The wire diameter of this extension spring  0.15mm to 5.0mm;
(2)Raw material of this springs high-carbon steel,stainless steel,music

wire,galvanized spring steel wire,bronze,phosphor copper,and beryllium

copper.
(3)surface treatment: electroplating of

nickel,zinc,gole,silver,copper,blackening,and epoxy resin coating

plate.
(4)This springs are produced by CNC springs machines,
(5)highest Quality and Lowest Price,
(6)we can also produce kinds of spring according to your designated

styles.