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1973Nantong Navigation Machinery Plant was established.
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1996Nantong Navigation Machinery Plant was reformed as Nantong Navigation Machinery Co.,Ltd.
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1997Nantong Navigation Machinery Plant was reformed as Nantong Navigation Machinery Co.,Ltd.
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2003We passed BV Tactory certificate.
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2003We passed ISO9001-2000 Quality Management System Certificate.
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2004Marine hydraulic top bracing system (type YDZZ) was awarded NaLional Key New Product.
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2005We passed GL welding factory approval
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2006We passed GL gray iron casting factory approval.
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2007We passed LR welding factory approval and gray, ductile iron casting factory approval.
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2008We passed on site audit of KR gray iron and ductile iron casting.
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2008We passed on site audit of GL ductile iron casting.
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2008Our self-developing marine high flow rale aaiomalic back Hushing filler was awarded EVovincial High and New Technology Product.
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2009Nantong Navigation Machinery Co.,Lid was renamed as Nantong Navigation Machinery Group Co.,Ltd.
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2009Our company was recognized as National High and New Technology Enterprises.
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2011The new Factory was built in Gangzha Economic and Development Zone, Nantong, Jiangsu.
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2012"HANGJI" brand was awarded Nantong Famous Brand.
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2013We established engineering research center of Jiangsu Province.
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2014We draft shipping industry standard of Marine Diesel Oil Engine Fuel Oil Supply and Booster Module, Marine Water Separating Filter and Marine Semi-aulomatic Cleaning Filter.
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2015Our comapny was rated as "private technology enlerprises in Jiangsu Province".
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2016Our company was recognized as National High and New Technology Enterprises.
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2016ZFL full-automaLic back-flushing filler was awarded "High - tech product".