... punch, bend, stamp. 4. Top quality Populace Group is one of the largest AC & heat pumps heat exchanger manufacturers in China ... .1). Professional manufacturer, ISO9001-20082). More than 10 years’ experiences of manufacturing. 3).Customized solutions and products4).OEM/Small order accepted5 ... other special availableInspectionIQC, IPQC, FQC, QACertificateISO9001-2008 air conditioning sheet metal cover