J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone021-61259108 18621169109
Websitehttps://www.meryer.com/cn/index/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Hubei Wande Chemical Co., Ltd
Telephone027-59210159 15377098680
Websitehttp://www.wande-chem.com/
Tianmen Hengchang Chemical Co., Ltd
Telephone027-59322316 15172518801
Websitehttp://www.tianmenchem.com/
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone17691182729 18161915376
Websitehttp://www.dideu.cn
Hubei Chenghai Chemical Co., Ltd
Telephone18327245847 18327245847
Websitehttps://www.hbchenghai.com