I am interested in purchasing your productplease give the price in Aluminum Tube For high frequency (HF) Oval tube weldsize: 40 mmx 2 mm x 0.3 mm thicknessand how much my order? and what price?My users to make radiator.and please give the full address of your company,plan my 14th there in china to attend the exhibition fair guanzhauThank you for your attention