smooth surface, nice done copper alloy part JISC1100, copper alloy part, copper rod, part, fabrication, coppersmooth surface [Show thumbnails] 紅銅加工 / custom fabricated copper part #copper Material: 紅銅圓棒 / JIS C1100 Share this:FacebookLinkedInWhatsAppLike this:Like Loading... welding Posted on August 9, 2017May 7, 2019 by J.S.