J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone4006356688 18621169109
Websitehttp://www.x-labseek.com/
Guangdong wengjiang Chemical Reagent Co., Ltd.
Telephone0751-2815688 13927872512
Websitehttp://www.wj-chem.com
Guangdong Yuanfeng Chemical Reagent Co., Ltd
Telephone0751-2829979 13318584237
Websitehttp://www.yuanfenghx.com/
Guangdong Yuanfeng Chemical Reagent Co., Ltd.
Telephone0751-2829979 13318593351
Websitehttp://www.yuanfenghx.com/
