Beijing Guohua Technology Group Co., Ltd
Add: No. 9 Longyue Street, Mapo, Shunyi District, Beijing
Phone:010-53397669
Email:ghkj@ghkj.com
Tangshan Guohua Technology Co., Ltd
Add: No. 88 Xinke Street, High tech Zone, Tangshan City
Phone: 0315-5913666 (domestic)+1-304-960-1190 (foreign)
Email:ghkj@ghkj.com