Lianyungang Fudong Zhengyou Lighting Appliance Co., Ltd.
[ Manufacturer ]Main business are Quartz glass cell, Quartz glass foamed cover, Crystal powder etc.
Lianyungang Tianyuan Quartz Product Co., Ltd.
[ Manufacturer Trader ]Main business are Quartz product
Donghai Shengda Quartz Product Co., Ltd.
[ Manufacturer Trader ]Main business are Quartz product, High-purity crystal powder