Panjin Dongcheng Chemical Co., Ltd.
[Manufacturer, Exporter]
We are located near by the third large oil field of China :Liao He Oil Field, in this business over 7 years , produce Dimethyl Sulfoxide (DMSO), Dimethyl Sulfone (MSM), Phthalic Anhydride (PA), Maleic Anhydride (MA), Dimethyl Sulfide (DMS), and DMF by ourself