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Founded in 1990, Shandong Gongyi Machinery Technology Co., Ltd. is a sole proprietorship enterprise mainly engaged in foundry processing. It has fixed assets of 18.2 million yuan and 181 employees, including 21 engineers and technicians, covering an area of 20,000 square meters. The foundry workshop covers an area of 2,800 square meters, with a machining area of 2,000 square meters and a warehouse of 1,100 square meters. A 5 ton / hour cupola furnace, equipped with a set of iron water-based analyzer, a smelting electric furnace, a hook-type large-scale potential shot blasting room, CNC CNC machine tools and ordinary lathe drilling machines, etc., with equipment Complete physical and chemical laboratory and complete quality inspection and assurance system, the company passed the 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, pipeline series, etc.; ash casting (main grades HT200, HT250, HT300) There are brake disc series, body series and others. The products are mainly sold to the United States, Japan, Canada and other countries.
Check valve and its application