GI Manual high vacuum butterfly valve GI High Vacuum Butterfly Valve 
 GI Manual high vacuum butterfly valve is used to connect or disconnect the vacuum hose in the airflow. Yongjia County Branch of the vacuum valve manufacturing plant GI manual high vacuum butterfly valve series for the media is pure air and non-corrosive gases. 

 GI high vacuum butterfly valve is used to put through or cut off the airflow in vacuum pipeline. Applicable medium can be pure air and noncorrosive gases. 

 Coal to natural gas in Xinjiang, the new coal chemical project will occupy a major position in the "12th Five-Year" period. According to the Xinjiang, the "12th Five-Year Plan announced in May 2011, the coal base in Yili, quasi-East, vigorously develop modern coal chemical industry. By 2015, the Planning coal to natural gas 60 billion cubic meters.