Copper Powder, Hydrophilic Fumed Silica, Silver Coated Copper Powder manufacturer / supplier in China, offering Dimethyl Silicone Oil / Polydimethylsiloxane CAS 63148-62-9 as Heat Transfer Fluid, Dimethyl Silicone Oil / Polydimethylsiloxane CAS 63148-62-9 as Defoaming Agent, High-purity Dimethyl Silicone Oil 50 100 350 500 1000 Cst Polydimethylsiloxane PDMS and so on.