Zhejiang Ruixinte Flange Forging Co., Ltd., based in Suichang, Lishui, focuses on the manufacturing and sales of flanges, with product materials covering 304, 304L, 316, 316L, and alloy steels, serving industries such as petrochemicals, food and beverage, and pharmaceuticals . While the company’s core business centers on flanges including high, medium, and low-pressure types as well as custom non-standard and thick flanges, the concept of precision tube aligns with its broader capability in precision forging and CNC machining . The company applies precision forging and CNC finishing processes to control sealing surface flatness, dimensional accuracy, and bolt hole positioning, which are quality requirements shared with precision tube applications in pipeline connection systems . Its flanges are available in multiple sealing face configurations including raised face, full face, and tongue-and-groove, adaptable to diverse pipeline pressure and medium conditions . Quality control runs from raw material inspection through forging, heat treatment, and final testing, supporting its practical approach to serving connection requirements in demanding industrial systems .