| 1. Impact part, drive shaft, rotor are processed by Ipsen heat treatment equipment which we imported from Germany, ensuring more durable wear, greatly extend the lifetime; 2. Aluminum die-casting gun body, good airtightness. 3. POM blade and industrial P6 bearings, extend the lifetime; 4. High-quality oiling bushing effectively extend the lifetime of the anvil; 5. Could pass drop testing by 1 meter high; 6.3-5 seconds to achieve the maximum torque; 7.25 million screw life |