Digital-indicate planetary gear multiplier wrench (DPMW) is a kind of portable bolt tightner with measuring tool fuction and excellent market foreground.

• 数显式行星力矩放大扳手是一种具有量具功能、能精确指示输出转矩的便携式大扭矩螺栓紧固工具,具有很广阔的市场应用前景。