CAMERON集团公司是全球领先的石油、天然气压力控制设备的制造商。产品包括阀门、井口、控制系统、闸板、防喷器和配套系统，应用于石油、天然气在陆上、海上、海底的钻采、生产和输送。Cameron 工程师和生产系统为陆上、海上、海底的油气生产和钻采提供服务，并在全世界范围内为能源工业提供油气分离设备、备件及相关服务。

TOM WHEATLEY
Piston Check Valves
DRV-BN Nozzle Check Valve
DRV-Z Nozzle Check Valve
Swing Check & Subsea Valves

TECHNO
Dual Plate Metal Hinged Check Valve
Elastomer Hinged Check Valve

ENTECH止回阀
DRV-BN Nozzle Check Valves
DRV-Z Nozzle Check Valves

NAVCO
Forged Gates, Globe & Checks

WHEATLEY
Dual Plate Wafer Check Valve
Short Pattern Wafer Check Valve
Series 822 Check Valve
Series 500 Check Valve

AOP
SC Series check Valve
310 Series Check Valve
320 Series Check Valve