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025-57931977

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Development history

Development history

1992

 

Nanjing Huashi Electronic Scientific Co., Ltd. was founded.

 The First Speed-up of China Railway 
Main products :Emergency supply ,Power Gating ,Electrical control cabinet

1997

1998

High Frequency Converter Charger for China's First DC600V Electrified Train

China's first 200 km/h quasi-high-speed train (Guangzhou-Shenzhen) high-frequency converter charger.
China's first double-deck EMU (Shanghai-Nanjing) high frequency converter charger and inverter.
China's first 70% low floor tram in Dalian won the bid.

1999

2000

Third Speed-up of China Railway :DC600V Auxiliary Power Supply for Shenzhou (Beijing-Tianjin Shenzhou) Intercity Double-deck EMU.

Fourth Speed-up of China Railway :TCMS for Beijing-Shanghai Advanced Box Train.

2001

2004-2005

In cooperation with German KIEPE Company, the first phase traction system of Changchun Light Rail was awarded. Qualified supplier qualification of Siemens and Alstom Company; cooperated with ABB to win the bid for Changchun Light Rail Phase II Traction System Project.

 

70% Traction System of Dalian Tramway with 30 Winning Bids.

2008

2009

180KVA Auxiliary Power Supply of Beijing Fuba Line is delivered in batches through on-line operation review.

 

 The self-developed auxiliary power supply and train network monitoring system for the third phase of Changchun Light Rail are delivered in batches and operated stably. 

2010-2011

2013

Winning bid for traction system project of Guangzhou Line 9.
Supplementary traction system project of Nanjing Line 1 winning bid

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