Registered address：：NO.808 ZHANGSUTAN, CHENGGUAN DISTRICT, LANZHOU, GANSU, CHINA
Office address：：GANSU CHAMBER OF COMMERCE BUILDING, 601 YANYUAN ROAD, CHENGGUAN DISTRICT, LANZHOU, GANSU, CHINA
Phone number：：0931-2171267
Email：：zhenyu@qzh.cn
Fax：：0931-2171268