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Zhejianghannengglasstechnology.co.,ltd
Weengagedinthemanufacturingofglasshot/coldprocessingmachines,Website:http://www.hnglassfurnace.com,withthebrandnameHN.Since2013weworkedoutthefirstglasstemperingmachineandwithourcontinuousresearchanddevelopment,in2014,ou