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Quality Security
Quality is the foundation of an enterprise, Customer satisfaction is the eternal goal we pursue.
For a long time, our group has always adhered to the guideline of "survival by quality, development by technology". Establish and improve the quality management system, and implement continuous improvement. Make quality management level and product quality steadily improved.

Based on the implementation of total quality management, our group has passed various professional certifications. Further improve quality management level and quality assurance capabilities. As early as 1987, our group has obtained the qualification of design and manufacture of three types of pressure vessels (Class A). It has successfully passed all the certificate renewal reviews organized by the competent national authorities. At present, our group has A1, A2, C2, C3 pressure vessel design qualification, GC1 pressure pipeline design qualification, A1, A2, B3, C2 pressure vessel manufacturing qualification. Overall coverage of pressure vessels, pressure pipes and components designed and manufactured by our group. In 1990, our group obtained the ASME authorization certificate and U, U2 steel seals issued by the American Association of Mechanical Engineers, and passed successive certificate renewal checks smoothly; In 1996, our group obtained the certificate of GB/T19001 quality management system issued by China Machinery Industry Certification Center and passed all previous certificate renewal audits smoothly; In 2003, our group's cryogenic liquid transporters and semi-trailers were first certified by the State 3C compulsory certification; The complete sets of air separation equipment and natural gas liquefaction equipment exported by our group have passed the CE certification of the European Union.

Our group is equipped with high-quality QS responsible personnel, professional inspection, testing and flaw detection personnel and a total of more than 100 national registered quality engineers. It is the human resources guarantee for our group's quality management and quality inspection.

Our group has a large number of international and domestic advanced measuring, physical and chemical, testing and testing equipment, and adheres to the use of advanced testing methods and means to ensure the smooth completion of product inspection and testing work, to provide users with high-quality products and excellent services.
Installation License of Special Equipment People's Republic of China
Design License of Special Equipment People's Republic of China
Design License of Special Equipment People's Republic of China
Manufacture License of Special Equipment People's Republic of China
Certificate of Conformity of Quality Management System Certification (EN)
Certificate of Conformity of Quality Management System Certification (CH)
ASME Certificate of Authorization (U)
ASME Certificate of Authorization (U2)