Mould spring 1.Tight tolerance. 2.OEM&ODM service. 3.Professional production line. 4.Various material. 2013 in dongguan and ... of products such as cnc turning,milling,machining, die casting,Lathing,sheet metal fabrication, stamping parts, etc.Great srvice ... , dichromate plating,ectTolerance+/- 0.01mm,can also customizedSizeDifferent size, according to customer's drawing.MOQTrial order without MOQ ...