Leong Jin provides services include a comprehensive stock of specialized steel, state of the art cutting and pre-machining facilities, divisions in forgings and non-ferrous metals, distribution and supply of bandsaw machines and bManufacturer and Exporter of a comprehensive stock of specialized steel, state of the art cutting and pre-machining facilities, divisions in forgings and non-ferrous metals, distribution and supply of bandsaw machines and blades, as well as carbide machine tools.lades, as well as carbide machine tools.