... 3.Feature: anticorrosion, scratchproof Aluminum Tube Aluminum tube is also called aluminum roller, it is made of advantaged aluminum alloy material. It ... as all kinds of modules and sizes. Inside the roller, there is a strong rib structure, which is ... HV300, HV700, Teflo, it can bear the stuff working surrouding. Feiya aluminum tube is with high strength, small resistance, light weight, ...