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The Global’s largest supplier of gas valve alloy steel for internal combustion engines Hay:A02JSSY

JSSY High Performance Alloy Technology Group is the world's largest producer of high-performance alloy steel for gas valves of internal combustion engines. It is the main drafting unit of 23 national standards, industrial standards and group standards, including Steel and Alloy Bar for Gas Valves of Internal Combustion Engines.

According to the statistics of the world authority SMR, the market share of the air valve steel products developed by JSSY in 2021 has surpassed that of Daido special steel in Japan and become the first in the world.

The company has 191 authorized patents, including 9 invention patents. The Group has an annual production capacity of 200000 tons of high-performance alloy steel, 200000 tons of hot rolling and 50000 tons of cold processing.

The company's main products are more than 150 steel grades in eight series of internal combustion engine valve steel, electrothermal alloy, high-temperature corrosion resistant alloy, special stainless steel, special welding materials, duplex stainless steel, free cutting stainless steel and heat-resistant stainless steel


Among them, the steel for gas valve of internal combustion engine, special stainless steel welding materials and high resistance electric heating alloy are in the leading position in the market segment.

It is used in automobile, petrochemical, boiler machinery and other manufacturing industries.

The products are exported to high-end markets such as the United States, Europe and South Korea..

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