rpap5(buttweldingofaluminum-plasticcompositepipe)innerandouteradoptimportedhightemperatureresistantpolyethylene(pe-rt)rawmaterials
2010-11-11 /productintroduction:adoptsgoodmaterialandadvancedtechniquetoensureitsstableperformanceandlonglifeservice.speciallyaimingatthedema
2010-11-11 /