SH126C engine coolant foam tendency tester is designed according to the requirements of the People's Republic of China petrochemical industry standard ...
SRH12 Timken Ring Block Friction and Wear Testing Machine (Timken Method) SRH12 Timken ring friction and wear testing machine is also called Timken .....
SD-2801A needle penetration tester is based on the People's Republic of China standard GB/T4985, GB/T269 "grease and petroleum grease cone penetration ...