1. Qeexida flanges welded flat flange alxanka waa element muhiim u ah xira qalabka sida dhuumaha, valves, iyo bambooyin, sida caadiga ah ka samaysan bir carbon, ahama, ama alaabta kale ee daawaha, loo isticmaalo in lagu xidho laba qaybood oo tuubooyinka iyo bixiyaan shaabadeynta iyo taageero.Inte...
Akhri wax dheeraad ah