Hebei Chengxin Co.,Ltd.was established in 1990 .It is a joint-stock enterprise with 4,000 employees.It is one of the largest production base of Cyanidum and its derivatives in China. The company has been approved by the quality management system, environmental management system, OHSAS and KOSHER. The company has the right for import and export.The products are sold to many countries and regions,including South America,North America,Europe,Asia,Australia,South Africa,etc. and enjoys high populari...