Handan City Yongnian District High-tech development zone

Yanjin chemical co., LTD. Was founded in 2002 and has been on the road for 14 years.In these 14 years, the development of yanjin is a microcosm of China's development history.On December 11, ...

China Daqing International Industry and Trade Company is a comprehensive enterprise which was established with the approval of Ministry of Commerce and General Administration of Customs of the People&...