... , Power spring, Coil spring , Leaf spring, Mould spring,etc., and other unique feature products. 1Place of Origin:Xiamen, P.R China2Brand ... ,CNC machine center17Production euipment:devise industrial,auto, motorcycle, electronics, machinery, sports goods, equipment, toys,etc18For more other info:you are welcome to ... (5) Number of coils(6) Qty Silver metal inserted pin auto parts manufacturing