... etc.3.Drive type: Slotted, Phillips, Hex Socket, Torx, Rice character type, One Way etc.MaterialCarbon steel, stainless steel, ... Spray Test, Durometer, and Coating Thickness Tester.WorkforceA group of experienced production technician, sophisticated engineer and dedicated QC.About ... was founded in October, 2000, specializing in the production of CNC/AUTO lathe, springs, shafts, screws, stamping parts ...