According to the National Standard Information Public Service Platform, five national standards were abolished on March 7, 2020

According to incomplete statistics, the number of enterprises lacking smelting workers, molding workers, engineers,quality control and management personnel in China's foundry industry is about 58%, 20%, 50%, 34%...

Shanghai quality inspection institute hosted a seminar on valve flow resistance index and energy efficiency evaluation standard

The announcement of the state administration of market supervision on the requirement that explosion-proof electrical products should be changed from production license to compulsory product certification management

Principle of ultraviolet aging test box and matters needing attention

Yongjia county convened the valve industry international market development symposium