TCI Chemicals
Telephone021-67121386, 800-988-0390
Websitehttps://www.tcichemicals.com/zh/cn/index.html
CHG Opto-Electronic Corporation Limited
Telephone 2537653158 16621191650
Websitehttps://www.uncinfo.cn
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone 18621169109
Websitehttps://www.meryer.com/
Shanghai He-H Chemical Technology Co., Ltd
Telephone 18621911604
Website
Merck KGaA
Telephone21-20338288
Websitehttp://www.sigmaaldrich.cn
Aikon International Limited
Telephone025-58851090 13408877820
Websitehttps://www.aikonchem.com/
Shanghai Macklin Biochemical Co.,Ltd.
Telephone021-50706066 15221275939
Websitehttp://www.macklin.cn/