Chinese Loong Sky Co., Ltd. Flange Pipe Fittings Co., Ltd. is a company specializing in the production and sales of flange pipe fittings. The company produces stainless steel, special steel, duplex steel, and nickel based alloy steel. With excellent product quality and good service attitude, it is highly trusted by customers. In recent years, the sales of Longtian flange fittings have maintained a strong growth trend, with products exported to various parts of the world. Whether in industries such as petroleum, chemical, natural gas, or water treatment, Longtian flange fittings can meet the needs of customers and provide them with the highest quality products and services. Especially in the field of professional knowledge, Longtian has a strong foundation and significant advantages in customized products and parts processed according to drawings. We welcome inquiries and visits from friends around the world,