Lubricant Additive, Oil Additive, Extreme Pressure Additive manufacturer / supplier in China, offering T8211: Low-Odor Tapping Additive for Extended Tap Life & Superior Thread Finish, T8211b: Dark High-Torque Tapping Additive for Tough Metals - Extends Tap Life 30%, Mq 361 Anti-Wear / Rust Agent Used in The Lubricant and Plastics Industries and so on.