Yongjia Sanjiang Petroleum Machinery Factory is located in the industrial zone of Wenzhou -- Oubei, which has the reputation of "China Pump Village". Our factory was set up in 1989. After a few years, Yongjia Sanjiang has been identified as a good factory which makes various equipment for oil tanker, slotted tanker and oil station. Our products mainly include arc gear pumps, ball valves, filters, manhole covers, API loading valves, rapid joints and other accessories. Our focus is on quality, ...