Zhengzhou Nanbei Instrument Equipment Co. Ltd. is affiliated to Nanbei International Group Limited.It has been exported to more than 120 countries around the world for 11 years , and it is one of the largest and the most comprehensive instrument and equipment manufacturer in China. it integrates research,development,production and salesas one of the independent legal personality persified technology group. The headquarter is in Zhengzhou (International Air Port Area),China.And it also has the office in Beijing、Shanghai、Shenzhen and Hongkong of China.