The company specializing in the production of high pressure flange, Russia standard flange, flange joints, stainless steel flange, butt welding neck flange, loose flange, socket flange, flange, a flange, flange flange butt welding of large wind power, large diameter, large diameter flange, flange, flange. A variety of flange welding, butt welding, with neck, loose and all kinds of standard and non-standard flange flange. Flange material has 316L, 316, 304L, 304, 321, 310S and so on. The products are widely used in petroleum, chemical, pharmaceutical, electrical, aerospace, military, fire protection, metallurgy, shipbuilding, construction, plumbing, gas, nuclear power and environmental protection industries, our economic and technical strength, flange, welded flange, blind flange, stainless steel flange, standard flange, flange, hydraulic aluminum alloy steel flanges, flange, flange, flange, flange Aluminum Alloy American Standard, hard flange, manhole flange, flange, flange, steel flange, standard flange, flange rotation, large flange, steel flange, JIS flange, flange, flange like, split flange, integral flange. Has a group of professional engineers and technical personnel, production equipment, perfect detection means, our company is willing to preferential prices, reliable quality, advanced technology, good Service, excellent professional ethics, continue to cooperate with you, hand in hand, common development, create brilliant welcome new and old customers to visit, visit us, calls to negotiate order