Tender Announcement

Tender Announcement

Tender Information

Tender Document Download

2015

2015

2021-11-18

The research on efficient capture technology and equipment for PM2.5 in steel sintering flue gas has passed the acceptance as a strategic emerging industry science and technology project in Hunan Province.

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2012

2012

2021-11-18

Changzhong trademark was recognized as a Chinese trademark, the research institution was identified as the Changsha Bulk Material Loading and Transportation Engineering Technology Research Center, and a semi-gantry scraper feeder with independent intellectual property rights was put into use.

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2011

2011

2021-11-18

Completed the shareholding system reform and officially renamed as Hunan Changzhong Machinery Co., Ltd. The company's R&D institution was recognized as the Hunan Provincial Enterprise Technology Center, and the boom-type bucket wheel stacker and reclaimer was rated as a Hunan Provincial Product.

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2009

2009

2021-11-18

Changzhong Machinery was recognized as a high-tech enterprise, developing and producing circular stockyard stacker reclaimers, achieving an upgrade of bucket wheel machine products.

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2008

2008

2021-11-18

Implementing the restructuring of state-owned enterprises, Changsha Heavy Machinery Manufacturing Co., Ltd. fully undertakes its business.

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2006–2007

2006–2007

2021-11-18

Developed large-scale urban waste treatment equipment capable of processing 500 tons of household waste per day, later applied in the 2008 Beijing Olympics and the 2010 Shanghai World Expo.

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1998

1998

2021-11-18

Developed a large-scale customs container conveyor device, filling the gap in domestic products.

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1986

1986

2021-11-18

Renamed as Changsha Heavy Machinery Factory, Changzhong Machinery was listed by the National Machinery Industry Committee as a key enterprise in the national machinery industry, becoming a manufacturer producing railway passenger cars outside the railway system in China.

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1987

1987

2021-11-18

Successfully trial-produced the cement computer batching scale and obtained the national mechanical and electronic product certificate and medal.

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1981—1984

1981—1984

2021-11-18

In 1981, two subway cars were successfully prototyped for the Tianjin Metro; in 1983, mass production of the YZ22 type railway passenger cars began, later modified to produce the YZ25 type air-conditioned trains.

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