We are a factory manufacturing high-quality Carbon Steel and Stainless Steel Weld Neck Flanges in compliance with ASME B16.47 Series A and MSS SP-44 standards. Our products come in a variety of sizes, from DN550 to DN1200, and can withstand pressure ratings ranging from Class 150 to Class 900lbs. These flanges feature a raised face and a tapered hub for easy alignment and installation. Made of durable and corrosion-resistant materials, our flanges are ideal for use in a range of industries, including oil and gas, chemical, and petrochemical plants. Trust us for all your flange needs.