On November 8, 2024, the Beijing-Tianjin-Hebei Gas High Quality Development Forum was held in Tianjin

On November 8, 2024, the Beijing-Tianjin-Hebei Gas High-quality Development Forum was held in Tianjin. Tianjin Changlong, as a leading manufacturer of automatic liquefied petroleum gas filling equipment, was invited to attend. The chairman of the board reported on Changlong's new research and development results on automatic liquefied gas filling equipment.

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Workshop on Revision of Seamless Gas Cylinder Standards Successfully Concluded

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Workshop on Revision of Seamless Gas Cylinder Standards Successfully Concluded

On November 8, 2024, the Beijing-Tianjin-Hebei Gas High Quality Development Forum was held in Tianjin

2024-11-12

Workshop on Revision of Seamless Gas Cylinder Standards Successfully Concluded

2024-10-14

Special Equipment Safety Day" Series of Activities Held in Tianjin Gangtang Gas Co., Ltd.

2024-06-24

My company website officially on-line operation

2024-08-12

Matters needing attention in the use of cold agent filling and conveying equipment

2024-08-12

022-86825773

E-mail

tianjinchanglong@126.com

Tel

022-86825773

Hotline:+86 022-86825773

E-mail：tianjinchanglong@126.com

Factory Director's Office:+86 022-86827988

Technical Section:+86 022-86825038

SEO

Business License

Tianjin Changlong Hongye Gas Equipment Co., Ltd.

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