Dujiangyan Jindun Protective Equipment Co., Ltd. specializes in high-quality doors and windows, providing expert design, product innovation, and comprehensive services for all your needs. Dujiangyan Jindun Protective Equipment Co., Ltd. is a professional manufacturer of doors and windows. Our premium brand FORTISAFE, dedicated to the global

Our Lap Joint Flanges are designed for easy alignment and disassembly in piping networks. Made from carbon steel, stainless steel (304/316), or alloy materials, these flanges comply with ANSI B16.5, ASME B16.9, and EN 1092-1 standards. The stub end + backing flange design allows cost-effective replacement without full system shutdown. Ideal for

Threaded flanges, also known as screwed flanges, feature internal threads that match the external threads of pipes or fittings, enabling a secure, screw-on connection without welding. They are widely used in low-pressure, non-critical piping systems where quick assembly and disassembly are essential. Why Choose Our Threaded Flanges? High-

Threaded flanges, also known as screwed flanges, feature internal threads that match the external threads of pipes or fittings, enabling a secure, screw-on connection without welding. They are widely used in low-pressure, non-critical piping systems where quick assembly and disassembly are essential. Why Choose Our Threaded Flanges? High-

Socket Weld Flanges are precision-engineered pipe fittings designed for high-pressure and high-temperature applications. They feature a socket-like end where the pipe is inserted and then welded, ensuring a robust, leak-proof connection. These flanges are widely used in industries such as oil & gas, chemical processing, power generation, and sh