Surfactant, Plasticiser manufacturer / supplier in China, offering High Quality 2-Methylbutyric Acid for Industrial Grade CAS: 116-53-0, BTG/ Triethylene Glycol Momobutyl Ether CAS: 143-22-6, Medg/ Diethylene Glycol Methyl Ethyl Ether CAS: 1002-67-1 and so on.