For flat welding flange, a professional manufacturer of stainless steel flat welding flange, non-standard welded flange factory production of stainless steel flange, carbon steel flange, alloy steel flange. Production: flat welding flange, welded flange, flange, with neck flange, loose flange, socket flange, threaded flange, blind flange, blind character, tube plate, plug, manholes, wind power flange. The production range: DN10mm-4100mm pressure PN0.25-250MPa flange material: 20 # Q235 16Mn 15CrMo 12Cr1MoV, 1Cr18Ni9Ti, 304,304 L, 316,316 L and so on. Executive Standard: HG20583-HG20595, ANSI, ASME, JIS, DIN, GB, GD, JB, SHJ, HGJ standards and design requirements according to customer drawings production. The products are widely used in the chemical, oil refining, electric power, mining, metallurgy, construction, heat and natural gas transportation and other industries. And sold in the United States, India, Thailand, Pakistan, Bangladesh, Syria, Iran, Indonesia and other countries and regions. Welcome friends to your visit Order!