... , Aluminium , febrication , cold rolled steel , hot rolled steel sheet and so on2. Finish :Anodization ,painting , power coating , zinc plating ... ,galvanized plating , nickel palting ,hard chrome plating and so on3. Process : Welding , drilling , polishing4.Heat treatment ... the new design according to your requirment for suitable and your special usage .10.Timely Delivery welding metal ...