Beijing Sjar Technology Development Co.,Ltd.
Telephone 18600796368
Websitehttp://www.sjar-tech.com/
Shanghai Haohong Scientific Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Zhengzhou HQ Material Co., Ltd.
Telephone0371-67759225 13526468238
Websitehttp://www.hqmat.com/
Shandong Dayou Pharmaceutical Research and Development Co., Ltd.
Telephonedayouchem@126.com 15165037910
Website
Beijing Yanhua Jilian Optoelectronic Technology Co., Ltd.
Telephone
Websitewww.jlmaterials.com