J & K SCIENTIFIC LTD.
Telephone 18210857532
Websitehttps://www.jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone021-61259108 18621169109
Websitehttps://www.meryer.com/cn/index/
Suzhou Siso new material Co.,Ltd.
Telephone0512-65402974 18550909935;
Websitehttp://www.szsiso.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Dayang Chem (Hangzhou) Co.,Ltd.
Telephone+86-0571-88938639 +8617705817739
Websitehttps://www.dycnchem.com/
Hubei Danding Pharmaceutical Technology Co., Ltd
Telephone17701422016 17701422016
Websitehttp://www.hbdandingyy.com
Biosynth Biological Technology (Suzhou) Co Ltd
Telephone 51288865780
Websitehttp://www.biosynth.com