... , square bars, "T" “E” “I”"U" channel.)Construction profile: for windows ,doors, curtain walls, furniture, decorationAutomotive industries: auto ... 0.05mmOur advantages11 years extrusion cast and die cast professional manufacture experienceModern deep processing centerStrict quality assurance and ... to 15 days after sample confirmed & down payment aluminium extruded profile,aluminium tube,aluminim pipe