Dear Sir/Madam,This is Imran AslamI'm looking for products with the following specifications:heat sinkThis is what we require of your product.Temper : T351-T851 , T3-T8 Shape : T - Profile , Round , Square Grade : 3000 Series , 1000 Series , 6000 Series Application : Door & Window , Decorations , Heat Sink Alloy Or Not : Non-alloy , Is Alloy.we are waiting for your urgent reply asap.best regards Show More