On August 28, 2024, a preliminary draft seminar for two group standards, namely "Technical Specifications for High-Pressure Hydrogen Pipeline Valves" and "Technical Specifications for Low-temperature Liquid Hydrogen Pipeline Valves", was successfully held. This meeting was held through an online conference format.

The units of the leaders participating in this meeting are as follows: 
China Industrial Environmental Protection Promotion Association 
Changzhou Institute of Technology 
Zhejiang University 
Zhejiang Ziming Low Temperature Technology Co., Ltd. 
Kaifeng University Valve Institute 
Institute of Standard Innovation Strategy, China University of Metrology 
Jiangsu Provincial Institute for Safety Supervision and Inspection of Special Equipment 
Jiangsu Chenggong Valve Technology Co., Ltd. 
Shanghai Kaikesh Valve Manufacturing Co., Ltd. 
Sidaode Valve Co., Ltd. of Suzhou Industrial Park 
Liangzheng Valve Co., Ltd. 
Beijing Aerospace Changzheng Machinery Equipment Manufacturing Co., Ltd. 
Jiangsu Jinjian Control Valve Co., Ltd. 
Sichuan Changyi Oil and Gas Gathering and Transportation Equipment Co., Ltd. 
Zhejiang Yongsheng Technology Co., Ltd. 
Kunshan Xinlai Clean Application Materials Co., Ltd. 
Hangzhou Meiya Power Generation Equipment Co., Ltd. 
Jiangsu Yingchen Hydrogen Energy Technology Co., Ltd. 
Tris Energy Equipment Co., Ltd. 
Nutock Fluid Control Co., Ltd. 
Hevollon Valve Group Co., Ltd. 
Shanghai Yuhu Stainless Steel Manufacturing Co., Ltd. 
Dekolong (Wuxi) Fluid Control Co., Ltd. 
Shanghai Hongsheng Special Valves Manufacturing Co., Ltd. 
Shanghai Instrumentation and Automation System Inspection and Testing Co., Ltd. 
Chaoda Valve Group Co., Ltd. 
Chongqing Chuanyi Control Valve Co., Ltd. 
Shanghai High and Medium Pressure Valves Co., Ltd. 
Hevollon Valve Group Co., Ltd. 
Yuan Gao Valve Technology Co., Ltd. 
Shaanxi Aerospace Pump and Valve Technology Group Co., Ltd. 
Yangquan Valve Co., Ltd. 
Shanghai Valve Factory Co., Ltd. 
Jianyang Zhongyuan Low Temperature Equipment Supporting Co., Ltd. 
Beihua Group Beijing Valve Co., Ltd. 
Suzhou Antewei Industrial Intelligent Technology Co., Ltd. 
Zhejiang Deka Control Valve Instrument Co., Ltd. 
Fangyuan Valve Group Co., Ltd. 
Zhejiang Zhongde Automatic Control Technology Co., Ltd. 
Beijing Aerospace Changzheng Machinery Equipment Manufacturing Co., Ltd. 
Hubei Taihe Petrochemical Equipment Co., Ltd. 
Beijing Aerospace Petrochemical Technology and Equipment Engineering Co., Ltd. 
Kaifeng Ruifa High Pressure Valves Co., Ltd. 
Shanghai Fenglei Valve Group Co., Ltd. 
Hangzhou Chunjiang Valve Co., Ltd. 
Tianjin Bettel Fluid Control Valves Co., Ltd. 
Primero Intelligent Technology (Shanghai) Co., Ltd. 
Shanghai Yaoyao Valve Co., Ltd. 
Kaifeng High Pressure Valves Co., Ltd. 
China Industrial Environmental Protection Promotion Association - Clean Energy Professional Committee, etc. 
This meeting was chaired by Guo Zhenxing, the deputy director of the Clean Energy Professional Committee of the China Industrial Environmental Protection Promotion Association. Professor Liu from the Standard Innovation Strategy Research Institute of China University of Technology delivered the lecture. During the meeting, the draft standard was elaborately interpreted, and the standard compilation plan was introduced. Experts from each participating unit conducted in-depth discussions on the content of the standard and decided to hold a face-to-face meeting in September and quickly form a draft for soliciting opinions!