... the double Liang structure complete machine stability to be good, the service life is long.4, host ... highly low, the stability, passes the nature to be good. 9, the centering guide may act according to ... sell the axis stationary type, the stability are good, the service is convenient. 12, the hydraulic ... brand, fitting Yi Gou, and the versatility is good. 14, the integrated cross valve operation is more ...