Features: 1.double oil cylinder and four-column auto-balance pole -connection structure,to ensure the up/down working table with balancing ,and ensure shear /punch depth the same.Having linearity slide -rail autofeeder .while feeding without noise in /out.stable working ,simple.strength saving ,more precision for shear /punch. 2.limit device with precision and ajdustment set-up device .it can be based on the requirements of production. 3.it is equipped with cooling system and infrared device.it can let the whole machine become safer 4.central auto-lubrication system.no worries of by manual lubricating for damage the machine parts.it can effectively ensure machine's precision and life span.