Technology and quality

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Zhejiang Provincial Scientific and Technological SMEs

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Technological innovation enterprises in Zhejiang Province

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Hangzhou Municipal Technology Center

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Certificate of Hangzhou R&D Center

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Certificate of Intellectual Property Management System

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Air separation plants-Radiographic and quality classifcation to brazed seams

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Vacuum insulated cryogenic pipe (industry standard)

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Technical specification for manufacturing copper air separation equipment (industry standard)

Quality control system


"Hang Yang" has accumulated rich experience in product quality control and quality system operation, and formed quality management features that conform to the characteristics of "Hang Yang" single piece, small batch, multiple varieties, large sets and multi-disciplinary products. The company is equipped with 300Kv X-ray flaw detector, helium mass spectrometer leak detector, ultrasonic thickness gauge, hydraulic test equipment, air tightness test equipment with the maximum capacity required to meet the requirements of product quality control, certified NDT personnel with Level II radiographic testing ability, and a group of experienced and skilled employees with various welding certificates. Advanced testing equipment, complete testing methods, abundant quality qualifications and sophisticated manufacturing and processing technology have laid a solid foundation for the stability and improvement of the company's product quality. The company is committed to the construction and improvement of the quality control system, and has established the ISO9001:2015 quality system, the pressure vessel quality system, the pressure pipeline installation quality system and the military product quality system respectively to realize the comprehensive management of quality before, during and after the event. The system requirements of civil-military integration make the quality control procedures and specifications more strict, provide a strong guarantee for the stability and improvement of the company's product quality, keep the company's product quality leading at home and move forward to the international advanced level.

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Pressure vessel manufacturing license

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ISO9001 Quality management systemcertificate of conformity

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