1. Integrated hydraulic system. 2. ISO9001:2000 certificates. 3.Steel welded structure and good quality. 1. Completed frame welded, vibration to eliminate stress, high in rigidity, sturdy and durable.2. Hydraulic drive, swing beam, return of knife beam is smooth and prompt by accumulator or nitrogen cylinder, steady & reliable performance.3. The position of low blade can be adjusted to ensure the ...