Patents and software certificates
China Grand Engineering Ltd.
Add:Room 2-3, Block B, 4/F., On Tat Industrial Building, No.3-5 Pat Tat Street, San Po Kong, Kowloon, HongKong.
Tel:+852-2600 4078
Fax:+852-2600 4079
Guangdong Grand Greenbuilt Technology Co., Ltd.
Add:Nanmian Industrial Zone, Xiegang Town,Dongguan, Guangdong, P.R. China
Tel:+86-769-8210 5668
Fax:+86-769-8210 5838