We are the manufactory of Taiwan ASA electric screw drivers.ASA won the National Gold Awards of excellence in 2000(no other enterprises of the same trade has the honor to be awarded in Taiwan up to now).All our products have pass UL, CE, FCC, BMSI, ISO9001 and so on.
1.Long service life of motor: The impeller made of particular material which has single air inlet and air outlets, has a super large range of torque force.
2.Five axles synchronous processing: The alloy steel gears are transmitted concentric, with small noise, small vibration and high precision.
3.Easy operation: Positive and negative shift switch, rapidly replace the screw driver head and adjust torque force.