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2018360 degree round cassette unit 
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2017Start heat pump business 
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20151-way slim type cassette unit 
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2014Move to the new factory 
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2013Patent for floor convector 
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2012Start to build a new factory 
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2011Acquired a tooling company 
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2010ISO9001-2000 
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2009Airsun Trading Company 
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2004Yilaide Established