Jiangsu Zhenya Special Screw Co.,Ltd

Tel: 86-755-23894509

Fax: 86-755-23894519

Atten: henry liu

Email: herry@cnzhenya.com

skype: forcelink.fl

Add: No.8, Yannin Highway, Dainan Town, Xinghua City, Jiangsu, China

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Screw Surface Inspection Is Divided Into Two

ZHENYA FASTENER | Updated: Aug 13, 2015

Is a screw production testing of well not before plating, is another screw plating following the inspection, that is to say screw after hardening, screw surface treatment after the inspection. Screw all not before plating, we size the screws, tolerances, and other testing. Looking to meet national standards or customer requirements. Screw surface treatment, we good screw plating test main test of plating colours and have broken screws and so on. So when we screw goods to our customers and clients upon receipt in order to pass.