... round and squard pipes. Aluminium groove, angle are included. Execellent quality and low price. --Alloy:6063/6061--Temper:T5/T6, --Finishing ... , clear anodized, color powder coated, PVDF coated, Eletrophoresis,--Different diameters, size, color are available,--MOQ: 500kg,--Punctual delivery:20days for the ... visit our factory.Contact person: Terry Zhang +86-13929988051 aluminium square tube