Instrument manufacturer / supplier in China, offering DH-FC Friction Coefficient Tester With Best Quality, DH-EEP Alcohol Rubber Abrasion Tester, LCD Displaying Eraser Wear Resistance Tester, DIN53505 ASTM D2240 1SO 7689 JIS K7215 Digital Shore D Hardness Tester Durometer with Test Rack DH-GZ-120D and so on.