On December 2, 2025, the two mandatory national standards, "Liquefied Petroleum Gas Cylinder Excess Flow Shut-off Valve" (GB 35208-2025) and "Liquefied Dimethyl Ether Cylinder Valve" (GB 33146-2025), were officially released. As a primary contributing unit, Mingshi Xingxin participated extensively in the drafting of these two standards. Focused on the safety performance and technical specifications of cylinder valves, these standards are set to officially take effect on July 1, 2026.
Leveraging its technical expertise in fluid control and practical industry experience, Mingshi Xingxin provided professional support to ensure the scientific rigor and applicability of the standards. Moving forward, the company will take the lead in implementing the requirements of these standards, driving safety upgrades for cylinder valve products and promoting standardized development within the industry.


