1.Be made according to product standard (GB),mechanical standard JB), ministry of chemical industry standard ((HG commercol) the American national standards (ANSI), Germany standard (DIS) and non-standard customized production of  China's national flange .
2.Product specification is DN5mm DN5000mm --. The products material has 304, 304L, 321, 316L, 301, molybdenum 2 titanium heat resistant steel A3 steel, carbon steel, etc. Products are widely used in petroleum, chemical, pharmaceutical, electric power, metallurgy, food, water treatment and other industries of pipeline equipment.