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