Lubricant Additive, Oil Additive, Engine Oil Additive manufacturer / supplier in China, offering Minglan Zinc Primary-Secondary Alkyl Dithiophosphate Lube Additive Zddp, Dispersant Additive Pibsa Pibsa Emulsifier with a Molecular Weight of 1300, Ashless Dispersant Pibsa Polyisobutylene Succinic Anhydride Pibsa Ashless Dispersant and so on.