Hebei Dongrui Petrochemical Machinery Equipment Manufacturing Co., Ltd. is a high-tech enterprise that manufactures pipeline special equipment and has been committed to the production and research and development of pipeline special equipment. The company's main products include flame arresters, breathing valves, emergency relief valves, and nitrogen sealing valves, which are widely used in industrial fields such as refining, petroleum, natural gas, chemical, and long-distance pipelines. They have been providing services to PetroChina, Sinopec, CNOOC, and ChemChina for many years.
Our company has strong technical strength, with modern standardized production workshops, physical and chemical laboratories, systematic management systems, professional R&D and inspection teams, and the introduction of advanced production lines for mass production and processing. The company has introduced hydraulic forming corrugated technology from Germany to provide high-precision production processes for flame arresters, with explosion-proof levels covering the technical requirements of IIA, IIB, and IIC series flame arresters for corrugated plate cores. We have been committed to the production and research and development of safety relief and explosion-proof products, and are committed to improving our engineering support and innovation capabilities, so as to provide comprehensive solutions for various new industrial needs. The company cooperates with national testing institutions to jointly research innovative technologies and independently develops a rare online testing equipment platform for flame arresters, breathing valves, and emergency relief valves in China. It can detect pressure drop, ventilation volume, constant pressure value, leakage volume, and other related data online, solving the problem of on-site equipment disassembly and testing.
The company has obtained ISO9001 certification, Special Equipment Manufacturing License of the People's Republic of China, Flame Arrester Type Test Certificate issued by Shenyang Special Inspection Institute, ATEX Type Certification Certificate from Germany IBEXU, ATEX Type Certification Certificate from T Ü V S Ü D, Explosion proof Certificate, etc.
Our company insists on survival through quality and development through service. Quality first and customer first are our principles. Sincerely welcome new and old customers to visit, inspect, negotiate and guide our factory. All employees of Hebei Dongrui Petrochemical Machinery Equipment Manufacturing Co., Ltd. are willing to work together with friends from all walks of life to create brilliance with high-quality products and good services.
