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Chengdu Huaxi Chemical Technology Co., Ltd. is a joint-stock enterprise initiated and established by Chengdu Huaxi Chemical Research Institute (founded in 1987). It integrates all technologies, main assets and personnel of Chengdu Huaxi Chemical Technology Group, with a registered capital of 24 million yuan and fixed assets of more than 90 million yuan. It is a high-tech enterprise approved by the Science and Technology Commission (national unified number: 07-00102).

The company is one of the first batch of scientific research institutions to obtain the right to direct foreign trade.

The company has obtained the international ISO9001 quality system certification.

The Company is a member of Sinopec's material resource market.

The Company is a member of the primary supply network unit of CNPC.

Our company provides users with the following technologies and devices:

▲ PSA separation and purification technology and device are used to separate and purify hydrogen from various hydrogen containing gases, such as coke oven gas, shift gas, synthetic vent air, methanol tail gas, gas, catalytic dry gas, refined gas, membrane separation gas, reforming hydrogen, etc

▲ Pressure swing adsorption separation and purification technology and device are used to separate and purify CO from various CO containing gases, such as water gas, semi water gas, converter gas, blast furnace gas, yellow phosphorus tail gas, copper washing gas, etc

▲ Pressure swing adsorption and serotonin separation and purification technology and device for CO2 from various gases containing CO2

▲ PSA air separation and purification of oxygen and nitrogen

▲ PSA air separation and recovery of propylene, ethylene, vinyl chloride and cyclohexanone

▲ Light hydrocarbons (such as natural gas, LNG, LPG, refinery dry gas, naphtha, etc.) are converted into hydrogen by steam

▲ Methanol cracking to hydrogen technology and device

▲ Hydrogen production technology and device by coal gasification

▲ Hydrorefining and upgrading technology of gasoline, diesel oil, wax oil and coal tar

▲ Methanation of coke oven gas to LNG

▲ Temperature swing adsorption alcohol drying and natural gas drying

▲ High performance programmable valve and hydraulic drive system, with action life more than 1 million times

▲ CO2 recovery unit from lime kiln gas and flue gas

▲ Various wet and dry desulfurization technologies and devices

▲ Waste acid regeneration and recovery technology and device

▲ Methanol and ethylene recovery technology

▲ Flue gas desulfurization and denitrification technology

▲ Desulfurizer, adsorbent and catalyst

Chengdu Huaxi Chemical Technology Co., Ltd. is mainly engaged in the development and engineering contracting of the production and purification of various industrial gases, flue gas removal and recovery of SO2, dry wet process inorganic and organic sulfur removal, hydrochloric acid regeneration, dry gas conversion hydrogen production technology, coal tar hydrogenation technology and other engineering technologies, as well as the research and production of fine chemical products, special valves, electromechanical integration, industrial process control system, desulfurizer, adsorbent and catalyst.

In the more than 20 years since its establishment, the company has developed 12 high-level technologies, and has applied for more than 10 Chinese patents and foreign patents. The technology and technical products have been popularized and applied in more than 200 enterprises in more than 20 provinces and cities in China. Nearly 200 sets of devices have been built and put into operation, including PSA gas separation devices that have been exported abroad. With an annual output value of more than 800 million yuan, it has been awarded the "Electronic Technology Transformation Traditional Industry Award", "Technology Market Golden Bridge Award" and "Spark Technology Demonstration Enterprise" by the National Planning Commission, the Science and Technology Commission, the Ministry of Machinery and the Ministry of Chemical Industry. It has been awarded the title of Excellent Science and Technology Enterprise by provinces and cities, and has been rated as AAA credit enterprise for many consecutive years.

After more than 20 years of development, the entire Huaxi Chemical Technology Group has developed into a fixed asset of more than 200 million yuan and an annual output value of more than 800 million yuan to 10 billion yuan. Three engineering companies (Chengdu Huaxi Chemical Technology Co., Ltd., Chengdu Huaxi Industrial Gas Co., Ltd., Changsha Huaxi Chemical Technology Co., Ltd.), three manufacturing enterprises (Chengdu Huake Valve Manufacturing Co., Ltd., Chengdu Huaxi Gas Chemical Co., Ltd., Chengdu Yalian Ruixing Catalyst Co., Ltd.), and two gas supply companies (Guigang Oxygen Supply Company, Tonggang Oxygen Supply Company), The high-tech group company with more than 1000 employees has 70% engineering design and technical personnel, 30% of whom are medium and senior technicians, and 90% have bachelor's degree or above.

In the field of development and application research of PSA process and related supporting technologies, Chengdu Huaxi Chemical Technology Co., Ltd. has successfully solved the technical problems related to the large-scale PSA industrial plant, and has successively obtained four national patents and one American patent. PSA hydrogen production technology has passed the identification of Sinopec, and PSA oxygen production technology has passed the identification of the State Petrochemical Administration and the Bureau of Metallurgical Industry.

For more than 20 years, our company has designed and built nearly 1000 large-scale PSA industrial units for petrochemical, metallurgical, chemical and other industries, including:

Large PSA hydrogen production unit in China (PetroChina Guangdong Petrochemical: 2x180000Nm3/h)

China's large PSA hydrogen purification unit for reforming gas (Tenglong aromatics: 200000 Nm3/h)

Large hydrogen purification unit for coke oven gas in China (Shaanxi Shenmu Chemical: 26000Nm3/h (product hydrogen))

Large PSA oxygen generation unit in China (Yanggu Xiangguang Copper Co., Ltd.: 35000Nm3/h-O2)

PSA styrene tail gas hydrogen extraction unit in China (Dalian Petrochemical: 20000Nm3/h)

PSA decarburization unit in China (Shanxi Hejin Chemical Fertilizer Plant)

PSA decarburization unit exported to China (Uzbekistan 10000Nm3/h)

In addition, several sets of large PSA devices designed by German LINDE Company and American UOP Company in China have been transformed. In the PSA hydrogen purification industry, we have rich experience in the design of large-scale devices, and have more than 70% of the market share in the petrochemical industry. Our technical indicators are at an advanced level, and our design and services have been highly praised by users.