Flanges in the pipeline industry occupies a dominant position, whether we are doing the device, or do need to use a flange pipe expansion joints, flange connections play a major role. The flange on the market now produces a few manufacturers, but also a large part of manufacturers mainly produce blank flange, GB flange, then a professional production of flange manufacturers, one should have what kind of conditions? First, we should have an independent and professional workshops blank flange, forging shop, shop lathe, drilling processing workshops and a series of assembly line work. Secondly it, have advanced equipment and excellent technology, today I will give you recommend a professional flange manufacturer - Pipeline Equipment Factory Gongyi City Aerospace. Gongyi City Aerospace pipe plant in Gongyi City, Henan Province Yongan Road Industrial Park, is a smelting, forging, lathe, drill press processing one set of flange manufacturer, I plant in the flange industry more than 20 years, with advanced equipment , superb technology and rigorous work of the staff, can be processed flange you require for such welded flange, welded flange, high-neck flange, manhole flange, Flange, convex flange, butterfly law Portland, Gear and other flange, I plant the production of flange used mainly Q235, Q345,304,316,16mn other materials.