Address : 23C/F, 333 Shi Men 2 Road | Shanghai 200041 | P.R.CHINA上海市静安区石门二路333弄振安广场恒安大厦23楼C座（总部）E

Phone :400 088 2220021-62563300

Email :ce@oucegroup.com\ gost@oucegroup.comce@ouce.cn \ gost@ouce.cn