The use of units
 Valve Series
 
Qinghai Oil and Gas Storage and Transportation
 G series fixed ball valve
 
Ai Moke gas equipment
 600 Series Ball
 
Gas equipment on the Hai Feiao
 G series fixed ball valve
 
Shanghai Gas
 G series fixed ball valve
 
600 Series Ball
 
Shanghai Natural Gas Pipeline Network
 G series fixed ball valve
 
Shenzhen Wei Sheng Offshore Oil
 6000 Series ball valves
 
Wuxi City Gas Corporation
 G series fixed ball valve
 
PetroChina Changqing Oilfield Company
 G series fixed ball valve
 
China Petroleum Natural Gas Limited
 D Series Ball
 
G series fixed ball valve
 
Offshore Oil Engineering Co., Ltd.
 G series fixed ball valve
 
Dagang Oilfield Gas Company
 G series fixed ball valve
 
Central Plains, Texas Gas Equipment
 600 Series Ball
 
Guangzhou Gas Company
 6000 Series ball valves
 
G series fixed ball valve
 
Ningbo Xing Light Gas Group
 G series fixed ball valve
 
Shanxi Natural Gas
 600 Series Ball
 
Shenzhen Gas Group
 G series fixed ball valve
 
Changqing Petroleum Exploration Bureau
 G series fixed ball valve
 
Beijing Natural Gas
 6000 Series ball valves
 
G series fixed ball valve
 
Shanghai International Auto City Gas Project
 G series fixed ball valve
 
Yangzhou city gas
 600 Series Ball
 
GW welded body ball valve
 
Jingdezhen gas
 G series fixed ball valve
 
Shanghai Songjiang gas
 G series fixed ball valve
 
Foshan City, high pressure natural gas pipeline network project
 G series fixed ball valve
 
Xuzhou Gas
 6000 Series ball valves
 
G series fixed ball valve
 
Natural gas projects in Hunan Hengyang
 G series fixed ball valve
 
Oilfield
 G series fixed ball valve