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For technical support:


  +49 4152 889 381

   +49 4152 889 383




  + 49 4152 889 334

  + 49 172 403 8898

Managing Director

Dr. Carsten Michaelsen

Contact in China

Beijing Top-Unistar Science & Technology Co.,Ltd.

Room 1305, Building 2, West Area of International New Venture Garden
No.1 Xinxi Road
Hai Dian District
Beijing, China 100085



Beijing Top-Unistar Chengdu Office

A-17-A Kailaidijing
No.2 Tongzhilin North St.
Wuhou District
Chengdu, China 610041



Beijing Top-Unistar Shanghai Office

Rm.803, North Tower, Detroit Fortune World
No.5588 Caoan Rd.
Jiading Dist.
Shanghai, China 201803