Hangzhou J&H Chemical Co., Ltd.
Telephone0571-+86-571-87396432
Websitehttp://www.jhechem.com
Henan Chuangan Optoelectronics Technology Co., Ltd.
Telephone0371-61280670 13215992208
Websitehttp://www.chuanganchem.com/
Zhengzhou HQ Material Co., Ltd.
Telephone0371-67759225 13526468238
Websitehttp://www.hqmat.com/
Shengyan (Shanghai) New Material Co., Ltd.
Telephone+86-021-37596312 +8613585706261
Website
Zhengzhou HQ Material CO.,LTD.
Telephone+86-371-55919009 +8615225108189
Websitehttp://cn.hqmat.com/