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寧波市鄞州特鋼緊固件廠是一家新行的專業(yè)生產(chǎn)高強(qiáng)度緊固件工廠 。主生產(chǎn)美標(biāo)緊固件:ASTM A193 B7/B7M/B8/B8M/B16;ASTM A320 L7/L7M;ASTM A449;ASTM A490/A490M;ASTM A307/A307M;ASTM A325/A325M;ASTM B16.5。ASTM A194 2H/2HM/GR7/GR8;ASTM A563/A563M;D-6;D-12….系列。德標(biāo)緊固件：DIN933 ;DIN931;DIN912;DIN934...詳細(xì)>>