ZhengzhouDEAOScience&TechnologyCo.,Ltdisspecializedinresearch,productionandsalesofscreenchanger/meltfilter.Baseonthedeeptechnologyaccumulationandinventionpatents,DEAOisstandingonthetoppositionofscreenchangerindustryandhasbeensupplyingthehighefficiencyandcost-savingsolutionsoffiltrationfortotallymorethan1000customers.

更新时间：2025-06-16 直链：www.deaomf.com

BoilermanInternationalServiceLtdwhohasbeenconcentratingonrepairsandservicesformarineboilers,IGGs,N2Generators,heatexchangersandIncineratorssince2010.

更新时间：2025-06-15 直链：www.boilerman-service.com