Sichuan Hengruifeng International Trade Co., Ld. is a comprehensive import and export enterprise integrating manufacturing and trade. Under it are two wholly-owned subsidiaries and five production factories. It deals with the import and export of gas-concerned cylinders (annual output of 600,000 pieces), fire extinguishers (annual output 2,000,000 pieces), highly purified gases, gas valves (annual output 1,000,000 pieces), decompressors, welding tools, concentrated air feeders, gas installation equipment and calcium carbide (annual output 20,000t), dry powder extinguishers, teflon raw material belt, large-and-middle-sized space division complete sets of equipment. Our annual import and export revenue is over USD 20 million.
　　In the new century of economic globalization, we will offer high-grade products to global customers relying on our advanced equipment, solid technical capability and excellent service to contribute to gas industry.

　　 Zhuolu High Pressure Vessel Co., Ltd. is authorized to design and produce pressure vessels of B1, B2, B3, A1, C3 and D1 by the country. It is capable of producing 300 varieties and specifications of seamless gas cylinders, welded gas cylinders, power accumulators, low temperature gas cylinders, air accumulation special containers, aluminum internal bladder carbon fiber full entwining compound gas cylinder, etc. It is able to design and manufacture all sizes of steel seamless cylinders of 600,000 pieces, capsule and diaphragm type power accumulator of 50,000 sets, medical oxygen absorber of 50,000 sets annually. It has passed ISO9001-2000, and obtained TUV and India government certificate. The company is equipped with advanced tool set-up equipment, detection instruments, boasting strong technical force and complete management system. Its manufacturing of products and performance testing are both conducted under the supervision of a third party. Upon customer requirement, design and manufacturing of pressure vessels can be made according to GB (China), ASME (USA), PED97/23/EC (European Union), JIS (Japan).Our products feature reliable performance and reasonable price, enjoying great favors at home and abroad.

　　 Meilin High Pressure Valves Company is among the earliest producers of gas cylinder valves in China, with over 20 years history. It has complete manufacturing equipment, strong technical force and sound quality guarantee system. It adopts international standard production lines, advanced technique, scientific testing means and perfect equipment. Its leading products are high/medium/low pressure gas cylinder valve series for natural gas, liquefied petroleum gas, oxygen, hydrogen gas, freon, highly purified gas, noble gases, special gases, etc.; gas piping valve series, gas bus series; gas decompressor series; gas high pressure utensil series. Besides GB and JB, our production can be made in terms of ANSI, BS, CGA and DIN.
　　 Adhering to the tenet of Quality First and User Preferential, we wholeheartedly provide excellent products and services to our customers. We can design and develop different kinds of gas cylinder valves and process valves with special requirements according to samples provided.

　　 Beijing Yanan Gas Co., Ltd., established in 1993, is one of the largest gas production enterprises in North China. It has over 50 sets of hydrogen gas production plant, space division production plants, acetylene units, carbon monoxide and carbon dioxide production plants, gas priming equipment, highly purified gas purification equipment, gas cylinder detection device, inspection and detective instrument, 30 transport vehicles, 35 low-temperature storage tanks to ensure the quality control and transportation service of gas products. Beijing Yanan Gas Co., Ltd. has a wide range of products with serial variety. It deals with the production of industrial gases, standard gases, mixed gases, liquid gases serving the sectors of chemical engineering, electronics, machinery, petroleum, building materials, electric power, environmental protection, foodstuff, pharmacy, scientific research, etc. and they are sold in North China and every part of the County, and exported to overseas markets as well. It passed ISO9002 international quality system certification in 1999 and has established long-established relations with some international gas companies like BOC, Praxair and Linde, etc.
　　We are devoted to serving broad customers under the principle of "Quality First, User Preferential, Adhering to Contracts".