Aluminium tube with different surface treatments Alloy: 6061, 6063, 6005,6463 etc. ... professional manufacturer in aluminium profiles for windows,doors, and curtain wall. Up to now, we have 16 extrusion lines, with all ... , aluminium window, aluminium door, aluminium cabinet, curtain wall, aluminium office partition profile. Aluminium tube, aluminium pipe. MORE INFORMATION CAN BE GOT FROM ...