... machine DA SHUANG YANG & M230-2, Lathe machine C6233,Wire cutting machine Deren & DK7740 etc.Testing EquipmentProjecting apparatus, ... Test, Durometer, and Coating Thickness Tester.WorkforceA group of experienced production technician, sophisticated engineer and dedicated QC.About ... click our website: http://gdsx.en.alibaba.com all kinds of screw ,machine screw ,stainless steel screw and fasteners