... rolling, stamping, deep drawing, bending, spot or seam welding, spinning, forging, sand casting, die casting, investment casting, etc.3. Surface treatment ... aluminium profiles, aluminium frames, can be available in our company. Besides, we also can make the products according to the ... can come to visit our factory.Welcome to visit our company's website: www.rainbowmetalwork.en.alibaba.com we specialize ...