On August 24, 2023, the "Made in Zhejiang" group standard review meeting for the "Three Lever Valve for large ASU equipment" drafted mainly by HYKOSO was held in Hangzhou. During the review meeting, the expert group listened carefully to the detailed report of the standards working group on the preparation of the standard, reviewed the rationality, advancement and scientificity of the standard text item by item, and put forward professional opinions on some clauses in the standard. After comprehensive analysis, the expert group unanimously believed that the standard revolves around the "Four Essences" requirements of "Made in Zhejiang" - "meticulous design, excellent material selection, precision manufacturing, and sincere service" and has reached the domestic first-class and internationally advanced levels. Finally, the expert group formed expert review opinions and unanimously agreed to pass the standard review.

"Made in Zhejiang" is a brand identity with strict certification standards and aimed at domestic first-class and internationally advanced level. On April 26, 2023, the Company held the "Made in Zhejiang" standard launch and seminar for "Three Lever Valve for large ASU equipment"