Hengli as the leader of the v slotting mahine, developed a new speed machine up to 120m/min. With the dual action/direction working Knife, the efficiency is nealy 4 times than the normal series.

Now these new product are used in The products of series grooving machines cover a market share up to 90% in China, being the first choice in the sectors of light industry, electric apparatus, automobile stainless steel processing, architectural decoration and elevator.