... in producing stainless bright round bar, the main material: 304,304 L, 301,321, AF316L, 2520 and so on. Stainless steel optical ... Φ6-Φ120 Can be customizedThe company specializes in producing stainless bright round bar, the main material: 304,304 L, 301,321 ... , AF316L, 2520 and so on. Product specification is complete, dia 6-120, welcomed the call ...