this is for hitech equpiment
Liquid nitrogen tanks are mainly used for long-term storage of biological samples. They have a wide range of applications. They not only play an important role in the biomedical field, but also play an irreplaceable role in industry, scientific research, and food preservation. ...
TheRotary Hammer ...
The Rotary Hammer(https://www.aolitools.com/product/rotary-hammer/1050w-high-speed-2-functions-28mm-safety-clutch-rotary-hammer.html) motor uses a unique double-hook winding, which is the time that 26 electric hammers are used on the market (this process is only limited to ...