◆ Frame: Entire frame structure.

◆ Hydraulic control: cartridge valve integrated system with reliable  performance, less hydraulic shock and long service life.

◆ Four-corner, eight-face guide with high  guide accuracy and strong load resistance.

◆ New type of seals of oil tank with high  reliability and long service life.

◆ High speed of slide performance and high efficiency.

◆ Hydraulic pads of underneath bolster and enough eject rod hole of upper bolster.

◆ Three operating kinds of hydraulic pads:  drawing, ejecting, no ejecting.