Zhengling Machinery Manufacture Co., Ltd., professional supplier of fuel dispenser accessories. Our main products include Filters，Breakaways, Fuel nozzles, Nozzle holders, Hose adaptors, Swivel couplings, Oil Indicators , Emergency Shut-Off Valves, etc, The company worked closely with the major domestic tanker manufactures (Tokheim, Hao Sheng, Censtar, Sanki Petroleum equipment and so on) ,since we established in 2005. And the products are sold to Brazil, Italy, India, Turkey, Iran, South Korea , Singapore, Indonesia and other countries over the world. Swivel couplings, Oil Indicators , Emergency Shut-Off Valves, etc, The company worked