Chemsky (shanghai) International Co.,Ltd
Telephone021-50135380
Websitehttp://www.shchemsky.com
ChemStrong Scientific Co.,Ltd
Telephone0755-0755-66853366 13670046396
Websitehttp://www.chem-strong.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684
Websitehttps://www.rrkchem.com
Hubei Xinkang Pharmaceutical Chemical Co., Ltd
Telephone027-59308705 18871579363
Websitehttp://www.xinkang-api.com/
Nantong Hanfang Biotechnology Co. , Ltd.
Telephone 3674309880
Websitehttps://hanfangpharma@126.com