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Shandong Gongchen Machinery Technology Co., Ltd. was founded in 1990 and is a wholly-owned production enterprise focusing on casting and processing.

　　Shandong Gongchen Machinery Technology Co., Ltd. was founded in 1990. It is a sole proprietorship production enterprise focusing on casting and processing. It has fixed assets of 18.2 million yuan, 181 employees, including 21 engineering and technical personnel, covering an area of 20,000 square meters, a casting workshop area of 2,800 square meters, a machining area of 2,000 square meters, and a warehouse of 1,100 square meters. It has one 5-ton/hour cupola furnace, equipped with one molten iron property analyzer, one smelting electric furnace, one hook-type large shot blasting cleaning room, CNC CNC machine tools and more than 20 ordinary lathes and drilling machines, and has a well-equipped physical and chemical laboratory and a complete quality inspection and guarantee system. The company passed ISO9002 quality system certification in 2000, with an annual output of more than 7,000 tons of castings. It mainly produces ductile iron castings (main grades QT450, QT500, QT600, QT700, etc.), including fire hydrant series, flange series, valve casting series, pipe series, etc.; gray casting (main grades HT200, HT250, HT300), including brake disc series, body series and others. The products are mainly sold to the United States, Japan, Canada and other countries.

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Check Valves and Their Applications

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Check Valves and Their Applications