Registered address: Room 302, No. 63 Zhuhai Middle Road, Haicheng District, Beihai City, Guangxi Province Technical Department 1 (shipping address): Room 101, Building 53, Shangshang City Phase 5, Yanjiao Development Zone, Sanhe City, Langfang City, Hebei Province, China. Yang Fan 15300086036 Technical Department 2 (shipping address): Yang Fan, No. 865-18 Xihuan Road, Ruzhou City, Henan Province, China 15300086036 Technical Department 3 (shipping address): Room 302, No. 63 Zhuhai Middle Road, Haicheng District, Beihai City, Guangxi, China. Yang Fan 15300086036 Phone: 15300086036 0316-3085136 (7X24 service): 15300086036 WeChat: beijingjiakekeji Q: 314181557 website: http://www.jiakekeji.com Email: jiake53@qq.com     Postal Code: 065201 Bank of Deposit: Industrial and Commercial Bank of China, Nanzhu Technology Branch, Beihai City Account Name: Jiake Technology Service Center, Haicheng District, Beihai City (Individual Business) Account: 2107 5100 0930 0273 652 Jiake Technology Service Center (Individual Business), Haicheng District, Beihai City Credit code: 92450502MAA79A702M