1. profession spring manufacuture 2. ISO9001:2008 3. CNC Machine Production On both sides of the grinding head materialCarbon steel,spring steel,stainless steel,alloy steel,oil tempered wireWire dia.0.3mm-8.0mmSurface treatmentEnvironmental protection zinc,nickel,become black,powder coating,cataphoresisor as your requestcertificationISO9001 CertificateapplicationsExtensively used for the base of ...
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