Shanghai：
Shanghai Grandray Building Material CO., Ltd.
Add:BLK 132 NO. 105 JIUTING STREET,
SONGJIANG District, Shanghai 201615, P.R.China,
Tel: +86 21 67620991
Fax: +86 21 33731633
Email: This e-mail address is being protected from spambots. You need JavaScript enabled to view it

Beijing：
Beijing Grandray Technology & Development CO., LTD
Add:Zifeng Building 2028, Jinbao Street No.1,Dongcheng District,
Beijing 100730,P.R.China
Tel: +86 10 65212098
Fax: +86 10 65211686

Hongkong：
Utopia Glass Company
ADD:RM 1106 Treasure Centre 42 Hung To Road Kwun Tong, HK
Tel: +852-23810202
Fax: +852-30121892

Factory：
Building 8,Fuyuan Industrial Area ,Tangweiqiaotang Road ,Fuyong Town ,
Baoan District, Shenzhen,China
Tel:+86-755-29766005
Fax: +86-755-29766078

Jingsheng Road,No 31, Qianqiao Town,Wuxi,China
Tel:+86-510-83216800
Fax: +86-510-83200848

Yanheduan No 1,Renli Road,Liqiao Town,Shunyi District,Beijing,China.
Tel:+86-10-69485123 
Fax: +86-10-69485045