QINGDAO MESNAC HEAVY INDUSTRY CO., LTD. (formerly named Qingdao Yanshan Pressure Vessel Co., Ltd.) is a wholly-owned subsidiary of Qingdao MESNAC Co., Ltd. As a national backbone enterprise in chemical equipment industry, the company boasts rich production and installation experience of devices and equipment in the areas of chemicals, fertilizer, military, petroleum, food, medicine, beer, rubber, steel and thermoelectricity. The company has been awarded by General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China (AQSIQ) the Design License of Class A1 and A2 Pressure Vessels, Manufacture License of Class A1and A2 Pressure Vessels and Installation License of GC1 and GB Pressure Conduits, and granted the Certificate of Grade B Enterprise for Equipment Installation Project issued by Shandong Administration of Construction Engineering.

　　With strict quality control system, solid technical strength, advanced technology and equipment and testing measures, all kinds of devices the company produced are high-quality, safe and reliable. Won the trust of customer. The company has been awarded the “Contract Honoring and Promise Keeping Enterprise” for ten successive years and the excellent achievement prize in the bid competition of “Quality and Efficiency” in the provincial construction engineering system for three successive years, and granted as the credit enterprise of AA + grade by the banking system.

　　The head office, Qingdao MESNAC Co., Ltd. was listed on Oct. 18th, 2006 in the Shenzhen Stock Exchange (Abbreviated as: Qingdao Mesnac, Stock Code: 002073). Its unique MESNAC culture, strong R & D capability and perfect management system adequately guarantee its sustainable development.