Shenzhen Headquarter:

Room.10B, CBldg. Tongfang Information Harbor, LangShangRoad, NorthZone,Hi-Tech Industrial Park, Shenzhen

P.C：518057

Tel：+86-755-83867999

Fax：+86-755-83867680
Web Site：http://www.szchallenge.com

Chengdu office:

Chengdu is a ring road south section 22 KEN commercial office 532 room

P.C: 610041

Tel：028-85237273

Fax: 028-85237273

Hong Kong Office：

Room.03,11/F.,Shing Yip Industrial Building,19-21Shing Yip St.,Kwun Tong,HongKong

Tel：+852-23430323

Fax：+86-23430923