Room 167, Central, 1 East Queen's Road 29th Floor, Pacific Place 3 Hong Kong. Hangzhou, Zhejiang
Gengzhuangzi Inductrial Zone Meng Cun Hui Autonomous Couty Hebei Procince China Cangzhou, Hebei
Douyu Industrial Park,No.3 Hengshan Road Yantai, Shandong