Hebei Xinqi Pipeline Equipment Co., Ltd. is a China-based manufacturer and factory of high-quality flanges including the Welding Neck Flange GOST 12821. This product is widely used in various industries for connecting pipes and providing a durable and leak-proof joint. Our flanges are made using premium quality materials such as carbon steel, stainless steel, and alloy steel, confirming to GOST standards. Our Welding Neck Flange GOST 12821 is designed to have a global standard size, ensuring compatibility with various pipe dimensions. It has a welding neck to facilitate easy welding and is widely used in the oil and gas, chemical, and petrochemical industries. The product undergoes strict quality control measures to provide consistent performance and long-life usage. We also offer competitive prices and quick delivery, making us a leading choice for customers seeking reliable Welding Neck Flange GOST 12821 products. In conclusion, if you need a reliable and high-quality products in the pipeline industry, look no further than Hebei Xinqi Pipeline Equipment Co., Ltd.!