Yutong Bus Service "China-Africa Cooperation Forum"

At the Fourth Ministerial Conference of the China-Africa Cooperation Forum held in Sharm el-Sheikh, Egypt this month, Yutong Bus, which enjoys a prestigious reputation in the African market, has continued to serve the 2008 Beijing Olympic Games and the 60th anniversary of the 2009 Nationa

Gas solenoid valve works

ZCM solenoid valve is suitable for city gas, liquefied petroleum gas, natural gas and other gases for the heating of the combustion medium pipeline to do two on-off switching, temperature control of the implementing agencies. It is widely used in the textile industry, the printing industry, gas

Valve sealing performance and service life

Sealing performance Valve sealing performance refers to the sealing of the valve to prevent leakage of the ability of the media, it is the valve of the most important technical performance indicators. There are three parts of the valve seal: opening and closing parts and valve seat seal between