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