China supplier manufacturer simple industry lean pipe steel pipe system Place of Origin Guangdong, China Grade lean pipe Temper T3-T8 Application Industrial Shape square Alloy Or Not non Alloy Model Number CP-2807 Brand Name WJ-LEAN Tolerance ±1% Product name Aluminum TUBE Application Industry Material STEEL Processing service welding; cutting Color ANY COLOR Size 28mm Length 4000mm (Length also can be customized, MOQ=1000pcs)