... punch;1600tons/2500tonsfriction press;1600t oil-hydraulic press.UNION We have forging ability for:3tons air hammer;1600tons punch;1600tons/2500tonsfriction press;1600t ... ring, open-die forging, forged shaft, forged bush, forged shape, drop forging, precision forging, hot-pressed part, upset forging, hot-upset part, forging casting, forged disc ...