... stainless steel, cast iron, brass, aluminum and etc3.All we can make.4.Packaging: 1pcs/box,15kg/carton5.Treatment: surface quenching by ... vertical nc double-sided grinding machine,2 sets of automatic tube bending shrink mouth machine, Companies self-contained, technology mature. ... large enough,please contact us,we will trade on albaba.com,the price is more superior!!! if you have any question or ...