Room 311, No. 139 Main building, Fengtai Road Crossing, Fengtai District, Beijing

Middleware After-Sales Service Tel: +86 400-650-7088 extension 2 (7*24hours)

Middleware Sales Tel: +86 400-650-7088 extension 1

Other Business Tel: +86 400-650-7088 extension 3

Email: marketing@tongtech.com

20th Floor, Yinke Building, No. 38 Haidian Street, Haidian District, Beijing

Postcode: 100080

Tel: +86 10 82652228

Fax: +86 10 82652226

22nd Floor, Cyber Tower, No.2 Zhongguancun South Avenue, Haidian District, Beijing

Postcode: 100086

Tel: +86 10 82652228

Fax: +86 10 82652226

21th Floor, Yinke Building, No. 38 Haidian Street, Haidian District, Beijing

Postcode: 100080

Tel: +86 10 82652228

Fax: +86 10 82652226