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Sep. in 1965, Renamed as Shangyu state-owned agricultural machinery repair factory
In 1972, Suceeded in developing F165 air-cooled diesel engine
Jun. in 1973, Renamed as Shangyu state-owned Engine Works
Oct. in 1981, Gained fame of “High-quality Products of Zhejiang Province” for F165 diesel engine crankshaft
Oct. in 1984, Gained fame of “High-quality Products of Zhejiang Province” for 165F,R175,485Q diesel engine crankshaft with brand ”Sun”
Jun. in 1986, Gained fame of “High-quality Products of Mechanical Ministry ” for 485Q diesel engine crankshaft with brand ”Sun”
Sep. in1990, Gained fame of Third Prize of ”Zhejiang Province Science and Technology Progress” for sand-coated metal mould casting of 485Q, 490Q crankshaft
Dec. in 1990, Gained the certification of Mechanical Ministry for 485Q crankshaft
Mar. in 1993, Gained the confirmation of Mechanical Ministry for that the sand-coated metal mould casting of 485Q crankshaft occupied the domestic leading level and reached the international level
Dec. in 1994, Gained the fame of Third Prize of “Mechanical Ministry’s Production Technique” for sand-coated metal mould casting(485Q,490Q)
Jul. in 1996, Gained the fame of “Best-quality Products of Internal Combustion Engine Industry Association” for TJ370 crankshaft
Oct. in 1997, Renamed as Shangyu Engine Machinery Co., Ltd., changed to private-owned enterprise at the same time
In 1999, Gained the certification of ISO9002 quality management system.
In 2000, Gained the fame of “High-quality Products of Zhejiang Province” for nodular cast iron crankshaft
Aug. in2002, Gained the certification of ISO9001:2000 quality management system.
Sep. in 2002, Gained the fame of “Hundred Enterprises with Core-competence of Year 2001” by Mechanical Ministry
Oct. in 2002, Gained the fame of “Zhejiang Top Brand Products” for diesel engines with brand “Sun”
Dec. in 2005, Renamed as Zhejiang Sun Stock Co.,LTD.
Feb. in 2007, Gained the certification of ISO14001:2004 by WIT.
Nov. in 2011, Gained the certification of ISO/TS16949 by DEKRA