Aluminum standard round tube is mainly made of 6061-T0/T4/T6或6063-T5/T6, and surface is made with anodic oxidation, spray coating, electrophoresis, fluorocarbon spraying, etc. Knilex has more than 12 years of experience on production of aluminum profiles. We have 8 aluminum extrusion lines and cooresponding surface treatment production lines such as anodizing, powder coating, electrophoresis, PVDF, wood grain, etc., and produces over 50,000 tons of high-quality aluminum profiles every year. We produce customized aluminum profiles for global customers, and we also designed and developed general-purpose aluminum profiles in multiple sizes, which are widely used in ceilings, curved aluminum tube ceilings, building structures, vehicle and vessel manufacturing, furniture making and machinery manufacturing, etc. From product R&D to production, quality control and packaging, we are committed to providing customers with aluminum products with stable quality and reasonable price…