1. Oil pipeline preservatives such as BEO,BMP,BOZ, etc.; Oil pipeline anticorrosion, corrosion inhibitor. 2. Propoxy-butynediol (referred to as BMP) is a condensation of butynediol and propylene oxide, this product is consumable, good coating leveling, long-term nickel photochemicalbook agent. 3. It is usually used with auxiliary brighteners such as PAP, PPS, PVSS, COSS, PESS, or MOSS. Uses Used as nickel plating brightener, black metal corrosion inhibitor Uses nickel plating brightener, black metal corrosion inhibitor. Long-acting brightener, weak leveler