At the end of May 2009, HXCHEM received the special equipment design license of the People's Republic of China (pressure vessel) issued by the General Administration of Quality Supervision, Inspection and Quarantine.

According to 《Special equipment safety supervision regulations》, 《Pressure vessel pressure pipeline design license rules and requirements of relevant norms and standards》, the experts of the review group checked the company's resource conditions, reviewed the establishment and implementation of quality assurance system of pressure vessel design, inspected the relevant design documents of pressure vessel trial design products, and gave on-site guidance on some problems found, and put forward relevant suggestions for improvement.

Through several days inspection and testing, HXCHEM was permitted to designing and manufacturing on A1 (high pressure vessel) and A2 (class Ⅲ low and medium pressure vessels) pressure vessels;

The design qualification of level A1 and level A2 pressure vessels is accepted and approved by AQSIQ, this marks that the design qualification level of pressure vessels in our company has been greatly improved and the design scope has been further expanded.