ABOUT US
Why Choose Gongchen
Our company was founded in 1990 and is a manufacturing enterprise mainly engaged in casting processing and export. It has fixed assets of 28.2 million yuan, 121 employees, including 16 engineering and technical personnel, covering an area of 20,000 square meters, a casting workshop area of 7,000 square meters, a machining area of 2,000 square meters, and a warehouse of 1,100 square meters. Currently, it has 3 2-ton/hour melting electric furnaces, an automatic batching system equipped with a front furnace molten iron property analyzer, a German Spectro spectrometer, a three-coordinate machine, and a Japanese Dongli.307 molding line with a sand box size of 700X600X500, equipped with an automatic pouring machine, which realizes automatic batching and automatic pouring functions. In addition, there are shell mold and shell core processes, a hook-type large-scale shot blasting cleaning machine, a grinding line, CNC CNC machine tools and ordinary lathes, drilling machines, etc. more than 30 units, with a well-equipped physical and chemical laboratory and a complete quality inspection and guarantee system. The company passed the audit of SGS in 2000 and obtained IS09001 quality system certification, with an annual output of more than 10,000 tons of castings. Production of ductile iron castings (main grades QT400, QT450, QT500, QT600, QT700, etc.) various vermicular graphite cast iron (RuT420-260) high and low temperature cast iron, etc., including fire hydrant series, valve casting series, pipeline series, etc.; including brake disc series, engine block series and others, products are mainly sold to the United States, Japan, Canada, Germany, Britain, Denmark and other countries.
Company Established
Technical personnel
R&D Team
Utility patent

ProductsCenter
Production of ductile iron castings (main grades QT400, QT450, QT500, QT600, QT700, etc.) various vermicular graphite cast iron (RuT420-260) high and low temperature cast iron, etc.,
Including fire hydrant series, valve casting series, pipeline series, etc.; including brake disc series, engine block series and others, products are mainly sold to the United States, Japan, Canada, Germany, Britain, Denmark and other countries
R&D and Production Strength
Foundry: Currently, it has 3 2-ton/hour melting electric furnaces, an automatic batching system equipped with a front furnace molten iron property analyzer, a German Spectro spectrometer, a three-coordinate machine, and a Japanese Dongjiu 307 molding line with a sand box size of 700*600*500, equipped with an automatic pouring machine, which realizes automatic batching and automatic pouring functions. In addition, there are shell mold and shell core processes. A hook-type large-scale shot blasting cleaning room, a grinding line, CNC CNC machine tools and ordinary lathes, drilling machines, etc. more than 30 units, with a well-equipped physical and chemical laboratory and a complete quality inspection and guarantee system.
01. Quality Material Selection

02. Detailed Craftsmanship

03. Quality Assurance

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