1. Reducing flange is widely used in water conservancy, electric power, power station, pipeline fittings, industry, pressure vessels and so on. 2. Stainless steel flange used in boiler pressure vessels, petroleum, chemical, shipbuilding, pharmaceutical, food and other industries. 3. Pressure vessel flange used in HVAC, electricity, building water supply, pressure vessel accessories, etc. 4. Threaded flange is suitable for fire, gas, air conditioning, civil pipe thread locking seal, etc.Shandong Zhongao Steel Co. LTD. is a large-scale iron and steel enterprise integrating sintering, iron making, steel making, rolling, pickling, coating and plating, tube making, power generation, oxygen production, cement and port. The main products include sheet (hot rolled coil, cold formed coil, open and longitudinal cut sizing board, pickling board, galvanized sheet), section steel, bar, wire, welded pipe, etc. The by-products include cement, steel slag powder, water slag powder, etc. Among them, fine plate accounted for more than 70% of the total steel production.The flange is a part connected between the shaft and the shaft, used for the connection between the end of the pipe; Also useful in the equipment inlet and outlet flange, for the connection between two equipmentAccording to customer request.