Jinzhou Youxin Quartz Technology Co., Ltd.
Address：West Sea Industry Park ,Eco&Tech Development District,Jinzhou Liaoning Province,P.R.China
Telephone：86-416-7988237 86-416-7988202 86-416-7988200
E-mail：youxin_quartz@163.com
Qujing Development Zone Youxin Quartz Co.,Ltd
Address: Nanhaizi Industrial Park(Next to Solargiga), Development Zone, Qujing City, Yunnan Province.
Telephone：0874-6088716 0874-6088722
