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Headquarters
Address

No. 88, Fifth Gitai Road, Hi-tech District, Chengdu, P.R.C

Telephone

+86-28-85534402/3/5/9

Email

greatech@vip.163.com

Beijing Branch

Address: No. 168, Guang'anmenwai Street, Xicheng District, Beijing, P.R.C

Phone:+86-10-63522076

Website: www.greatech.com.cn

Hainan Branch

Address:No. 1388, Jiefang Road, Sanya, P. R.C

Phone:+86-898-88271360

Website: www.greatech.com.cn

Shenzhen Branch

Address:Zhongxing North Road, Daya Bay District, Huizhou, P.R.C

Phone:+86-752-5579021

Website: www.greatech.com.cn

Greatech USA

Address:9 New Dawn Irvine CA92620.USA

Phone:+1-310-848-7062

Website: www.greatech.com.cn