JINLONGDA.JINLONGDA Company was established in January 2004 and is located in Jianhu County. It is a high-tech enterprise integrating R&D, design, manufacturing, sales, service, and training. The company's business model encompasses scientific research, development, design, manufacturing and processing, sales, maintenance, and technical service guidance. Its galvanized, electroplated, and petroleum products serve power plants, airports, highways, oilfields, and other sectors. In core product technology, the company has achieved significant innovation by designing wellhead equipment, blowout preventers, casing heads, manifolds, valves, and other products as integral forged, weld-free flat-face valve structures, replacing traditional wedge valves. This technology significantly enhances the products' safety factor, seismic resistance, corrosion resistance, sulfur resistance, pressure resistance, and other comprehensive performance characteristics, while also extending their service life. Its main product lines include wellhead equipment and Christmas trees, casing heads and hangers, manifold series, blowout preventer series, valve series, and spare parts.