To All Relevant Units:
According to the 2025 standardization work plan of the China City Gas Association, the association’s group standards titled “Technical Requirements for the Construction and Operation & Maintenance of Rural Small-Scale LNG Skid-Mounted Gas Supply Facilities,” “Technical Specification for the Interconnection Interface between Household Combustible Gas Detectors and Smart Gas Meters,” and “Normally Closed AI Gas Shut-Off Valve” have completed their draft-for-comments and are now being made publicly available online for public consultation. The respective drafting units for these standards are Zhejiang Urban Construction Gas & Thermal Power Design Institute Co., Ltd., Hangzhou Vanguard Electronic Technology Co., Ltd., and Chengdu Homsef Technology Co., Ltd. All relevant organizations and experts in the industry are invited to review the draft-for-comments (Attachment 1).Please conduct a comprehensive and detailed review of the content in Annexes 2 and 3, provide specific comments or suggestions for revision, complete the feedback forms for soliciting opinions (Annexes 4, 5, and 6), and submit these forms to the chief editor’s unit via email or by post no later than January 9, 2026.
Contact Information:
1. Technical Requirements for the Construction and Operation & Maintenance of Small-Scale LNG Skid-Mounted Gas Supply Facilities in Rural Areas
Editor-in-Chief Unit: Zhejiang Urban Construction Gas and Thermal Power Design Institute Co., Ltd.
Zhou Xiatin 13396719779 7063789@qq.com
2. Technical Specification for the Interconnection Interface between Household Combustible Gas Detectors and Smart Gas Meters
Editor-in-Chief Unit: Hangzhou Vanguard Electronic Technology Co., Ltd.
Zhang Yumin 15868624399 XFSCB@innover.com.cn
3. "Normally Closed AI Gas Shut-off Valve"
Editor-in-Chief Unit: Chengdu Holmesaifu Technology Co., Ltd.
Liu Hongbin 18180195899 Liuhongbin@hmsafe.cn
China Gas Association Standards Committee:
Li Bo 15011334331
Draft for public comment download link:
China City Gas Association official website: www.chinagas.org.cn
The official website of “Urban Gas” magazine: www.gas800.com
National Group Standards Information Platform www.ttbz.org.cn
Attachment:
Attachment 1 - Technical Requirements for the Construction and Operation & Maintenance of Small-Scale LNG Skid-Mounted Gas Supply Facilities in Rural Areas.pdf
Attachment 2 - Technical Specification for the Interconnection Interface between Household Combustible Gas Detectors and Smart Gas Meters.pdf
Attachment 3—Normally Closed AI Gas Shut-Off Valve.pdf
Attachment 4 – Feedback Form for Soliciting Comments on the “Technical Requirements for the Construction and Operation & Maintenance of Small-Scale LNG Skid-Mounted Gas Supply Facilities in Rural Areas” .doc
Attachment 5 – Feedback Form for the Draft Technical Specification on the Interoperability Interface between Household Combustible Gas Detectors and Smart Gas Meters.doc
Attachment 6 – Feedback Form for Comments on the “Normally Closed AI Gas Shut-off Valve”.doc
