... 20mm,33mm,49mm,etc 3.Factory cost price Pipe connector - Copper Pipe connector:1.Material: Copper/aluminum/iron2.Diameter: ... ,33mm,49mm,etc3.Factory cost price 1. Product Detail NamePipe connector ModelZY-AJBrandZHIYONGMaterialCopper,aluminum,iron material(electroplate ... usage and applicationIt is used as adapter connector between air tubeProduction equipmentHydraulic equipment and lathePackageCarton ...