Defa (Nantong) Biochemical Co., Ltd.
Avery Chemical (Nantong) Co., Ltd
Synasia (Nantong) Co.,Ltd
Chem-Base(Nantong) Laboratories Co.,Ltd.
ForeChem(Nantong) Technology Co.,Ltd.
Tiantong Fine Chemicals (Nantong) Co., Ltd
ShuangCheng Pharma (NanTong) Co.,Ltd
Newsmart(Nantong) Chem-Spec Ind.,
Hongding International Chemical Industry (Nantong) Co., Ltd.
Liwang Chemical (Nantong) Co., Ltd.
Haiyu chemicals (Nantong) CO.,LTD
Defa(Nantong) Biochemical Co.,Ltd.
Dongli (Nantong) Chemicals Co., Ltd
Newsmart (Nantong) Chem-Spec Ind.
Chem-Base (Nantong) Laboratories Co., Ltd
Hong Ding International Chemical Industry (Nantong) Co., Ltd.
Lianyungang Defang Ocean Chemical Co., Ltd.
Chem-Base (Nantong) Laboratories Co.,Ltd.