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2012-10-20 PT200 high-performance vector inverter R & D testing is complete

2012-11-20 PT200 Series high-performance vector inverter promotional materials finalized

2012-11-26 PT200 Series excellent indicators of the performance of the whole test experiment

2012-11-28 mass production PT200 series 7.5KW inverter

2012-12-26 PT200 Series complete structural assessment of more than 11kw inverter

2013-01-03 PT200 Series 7.5kw inverter 1,000 units of production

2015-05-01 PT300 Series put into market 

2015-05-30 PT330 series put into market 

2018-1-15  PT360 series put into market