Gongchen founded in 1990 and focuses on export-oriented cast manufacturing. It has fixed assets of 28.2 million yuan and 121 employees including 21 engineers and technicians. It covers an area of 20000 square meters, a casting workshop area of 7000 square meters, a machining area of 2000 square meters and a warehouse of 1100 square meters. In May 2017, the technical transformation began. The company eliminated the original semi-automatic molding process and other backward processes, and designed according to the latest environmental protection and ultra-low emission standards and safety production standards. 

Shandong Gongchen Mechanical Technology Co.,LTD

Utility patent



Technical staff


Production experience

Staff and R&D team


Why did you choose Gong Chen?

Based on the spirit of the company——"quality first, customer foremost, prompt delivery and reasonable price", we will cooperate with the vast number of new and old customers all over the world with reliable product quality and satisfactory service commitment. Your satisfaction is our pursuit. 

Product display of Gong Chen 

Nodular iron casting (major brands QT4OO, QT450, QT500, QT600, QT700, etc.), various vermicular cast iron (RuT420-260), high and low temperature cast iron including fire hydrant series, valve casting series, pipeline series, etc; Brake disc series, body series and others; the products are mainly sold to the United States, Japan, Canada, Germany, Britain, Denmark and other countries. 

Production qualification of Gong Chen 

The company passed the audit by SGS in 2000 and obtained ISO9001 quality system certification. The annual output of casting is more than 10000 tons. The products are mainly sold to the United States, Japan, Canada, Germany, Britain, Denmark, and other countries.




R&D and Production Strength

At present, the company has three sets of 2 ton/hour melting furnaces, an automatic batching system with stokehold molten iron property analyzers, a German Speicher spectrometer, Coordinate Measuring Machine, a Japanese TOYKU 307 molding line, and a sandbox size of 700x600x500. It has an automatic batching machine which realizes the automatic batching function, and another shell mold and shell core technology. It also has a hook-type shot blasting cleaning room, a polishing line, and more than 30 sets of CNC numerical control machine tools and a common lathe drilling machine. As well as a well-equipped physical and chemical laboratory and a complete quality inspection guarantee system.

Looking forward to your E-MAIL:)

Time: 2018-01-20

Congratulations on the success of Shandong Gongyi Machinery Technology Co., Ltd. website!

Founded in 1990, Shandong Gongyi Machinery Technology Co., Ltd. is a sole proprietorship enterprise mainly engaged in foundry processing.

Time: 2018-01-20

Check valve and its application

Check valves are valves used to prevent backflow of media in pipes or equipment.

Time: 2018-01-20

Structural features of the butterfly check valve

The butterfly check valve includes a swing check valve and a lift check valve.

Time: 2018-01-20

What is a stop valve?

The shut-off valve, also known as the gate valve, is a forced-sealed valve, so when the valve is closed, pressure must be applied to the valve flap to force the sealing surface to not leak.

Time: 2018-01-20

Daily stainless steel valve maintenance

The valve should be stored in a dry and ventilated room, and both ends of the passage must be blocked.





ADD:Mucun Town, Fangzi District, Weifang, Shandong, China (Mainland)

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TEL:86-536-7691368  7691229