Solar roof metal mounting bracket &hook 1)Material: stainless steel 304 or 316 2) ... FinishL:polishing 3) ISO9001-2008 adjustable Solar roof metal mounting bracket &hook Production Description Haiyan Hongtai Metal Products Co.,Ltd ... …3) machining Process:Stamping , turning,tube bending, welding, milling, CNC lathe…4) usage of products: Furniture fitting, construction hardware , telecom ,auto ...