... stainless steel 304, 316L, 316 etc.free options for post-treatment: polishing, powder coating, painting, plating, anodizing, heattreat ... aviation, defense, energy, industrial, medical, marine markets, lamp and light industry, Lighting Equipment, Engineering, Housewares, Arts-and ... /concave.And our factory make the spinnings of lamp covers, lamp base,spun basin, spinning lighting components, spinning ...