... tube,multihole flat tube for auto air-condition,condenser,evaporator and alike, at the same time, equipped with physics & chemistry test,online ... base of advanced aluminum processing line in domestic.Specifications(multihole flat tube):16×2-10/16×1.8-18/16×1 ... (round aluminum tube):Φ8×0.5 ,Φ25×1.0 multihole flat tube