J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
3B Pharmachem (Wuhan) International Co.,Ltd.
Telephone821-50328103-801 18930552037
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList13285/0.htm
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Tianjin heowns Biochemical Technology Co., Ltd.
Telephone400 638 7771
Websitehttp://www.heowns.com
Tianjin heowns Biochemical Technology Co., Ltd.
Telephone400-638-7771 18920564737
Websitehttp://www.heowns.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Binhai gill polypeptide co. LTD
Telephone021-61263389 13524856427
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList326362/0.htm
Shanghai Minhan Pharmaceutical Technology Co., Ltd.
Telephone 176121882
Websitehttp://www.suppliers.integle.com
Gill polypeptide biopharmaceutical (dalian) co., LTD
Telephone021-61263455 13167021076
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList295114/0.htm
Yantai Sheng Kai Lun Biological Products Co. , Ltd.
Telephone 13356901049
Websitehttps://www.sklnchem.cn
Beijing FYF Chemicals Co., Ltd
Telephone010-57903446 15869909019
Websitehttp://www.fyfchem.com/
Shandong Libixi Biopharmaceutical Technology Co., Ltd.
Telephone 15318973357
Website
Shanghai Hetan Pharmaceutical Technology Co., Ltd.
Telephone 18513862380
Website
