... ,On-time deliverywild range of spinning materials incl. brass, copper, aluminum, steel , stainless steel 304, 316L, 316 ... concave.And our factory make the spinnings of lamp covers, lamp base,spun basin, spinning lighting components, spinning pot, spinning ... aluminum, stainless steel, gavanized steel, PVC coated, brass, bronze, copper, high strength steel, INX, inconel, Grade 50,corten, Hastelloy, ...