BTW Transformer  is main nuclear power plant GSU supplier in past 25 years.  From 1987 to 2010, BTW  delivered 121 units for nuclear power plants. BTW has over 98% market share of China nuclear power plant GSUs ( 98%of the 40,000 MVA Nuke GSUs by 2010 )

• Ling'Oa  Nuclear Power Plant Phase II, 500kV 400MVA GSU 1Ph, 2008
 

• Qi'shan Nuclear Power Plant
• Phase I  220kV 400MVA, 1990
• Phase II 500kV 250MVA, 1999, Phase II expansion 500kV 410MVA  2010
• Phase III 500kV 277MVA, 2008

• 220kV, 370 MVA, 1 Ph, GSU, 1995

• Dayawan Nuke Power Plant, Guangdong,1 Phase, 500kV,375MVA