Why should the cut-off valve go low?

On March 4, 2020, the Standing Committee of the Political Bureau of the Central Committee held a meeting and proposed to increase investment in public health service

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