Shandong Heyi Gas Co., LTD (Heyi) was incorporated in 2009 with a registration capital of 84.64 million Chinese Yuan. Heyi is a national high-tech company which deeply involves in the research and production of Boron Trifluoride Gas and its complexes. It has more than 250 employees, covers an area of more than 55 acres, and has a total asset of ov...