... to master the techniques and learn to adjust. 2, all bearing are imported bearing, all in ... is inserted into the bend, easy to operate. 2, automatic warp-lacking control device. 3, tape pull ... with take up on prevention device. 4, double automatic feed device and auxiliary send gum rubber components. ... 7, stop lights. 8, computer automatic speed control system. 9, automatic oil pump. K-400-B8 multi- ...