... swing arm cutting machine is convenient operation with low high speed, low-noise, low oil temperature. ModelGWS-12SGWS-16SGWS-18SGWS-22SMax scissor ... .5KW1.5KWFeatures:1.Unique hydraulic pressure, very high speed, low-noise, very low oil temperature.2.Switch by hand, durable. ... labor, swing arm readily, easy to operate, safety, low fault, precision circuit board, performance steadiness, stand wear and ...