CHINA NATIONAL INSTRUMENTS I/E( GROP )CROP - Beijing

Established in 1955,China National Instruments Import and Export(Grop)Corporation(Instrimpex).which was once called China National Instruments Import and Export Croporation,is a specialized national foreign trade corporation.with it's business operations started from 1950's.it's one of the specialized foreign trade corporations of the longest history engaged in the import and export business in China.