About Us

Company Profile

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History

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Business License

Business License

Explosion-proof certificate of LPG cylinder filling and conveying equipment

Explosion-proof certificate of LPG cylinder filling and conveying equipment

ISO45001 occupational health and safety management system certification

ISO45001 occupational health and safety management system certification

ISO14001 environmental management system certification

ISO14001 environmental management system certification

ISO9001 quality management system certification

ISO9001 quality management system certification

High-tech Enterprise Certificate

High-tech Enterprise Certificate

Specialized and new

Specialized and new

National Certificate of Scientific and Technological Achievements

National Certificate of Scientific and Technological Achievements

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Changlong Hongye

Hotline:+86 022-86825773

Copyright©Tianjin Changlong Hongye Gas Equipment Co., Ltd., 

E-mail：tianjinchanglong@126.com

Factory Director's Office:+86 022-86827988

Technical Section:+86 022-86825038

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Tianjin Changlong Hongye Gas Equipment Co., Ltd.

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