Ruijia is a modern high-tech enterprise specializing in manufacturing,selling and services supporting on Fuel Dispenser and relevant components,including main board,flowmeter,pump,fueling nozzle,solenoid valve,oil indicator,filter and oil hose reel and so on.especialy,we specialized in main board for more than 11 years after graduated from school,and we supply many factories with main... https://www.cnruijia.com