SUZHOU KING ENTER IMPORT AND EXPORT CO., LTD. We have been adopting the world standards and regulations such as ISO, ASTM,DIN, EN, GB, BS, JIS,ANSI, UL, TAPPI, AATCC, IEC, VDE, and CSA.
220V 50 Hz Electric Rockwell Hardness Test Equipment CE / ISO9001 Standard Product Description Electric Rockwell hardness tester HRD-150 Hardness is ...