Hebei Zhousong Fire Protection Technology Co., Ltd. was established in 2012, with the company founded in 2008, is a production-oriented enterprise integrating scientific research, development, and sales. Our main products are divided into three series: 1. Gas fire extinguishing high-pressure fittings: elbows, equal and unequal tee, pipe clamps, swivel joints, flanges, bushings, external threads, plug ends, gas nozzles, and decorative plates; 2. Gas fire extinguishing pressure relief ports: mechanical pressure relief ports, electric pressure relief ports; 3. Gas fire extinguishing special pipes: hot-dipped galvanized seamless steel pipes. Our gas fire high-pressure accessories are widely used in high-pressure pipeline connections for gas fire protection projects in construction engineering, postal and telecommunications, power stations, machine rooms, libraries, ships, high-rise buildings, and more. High-pressure elbows are suitable for pipeline systems in the oil, natural gas, chemical, hydroelectric, construction, and boiler industries. They do not require billets as raw materials, saving costs on pipe-making equipment and molds, and can produce flanges with any large diameter and relatively thin wall thickness according to national standards. Due to these two reasons, the manufacturing cycle can be shortened, and production costs can be significantly reduced. They are particularly suitable for on-site processing of large-scale national standard elbows as they do not require any special equipment. The blanks are flat or expandable surfaces, making material cutting simple, precise, and assembly welding convenient.