permanent lifting of the features

permanent lifting of the features:
Also known as permanent lifting magnet lifter, magnetic crane, magnetic lifter, lifting magnets, permanent lifting magnet, permanent magnets.
1, compact, compact shape, easy to operate.
2, high-performance magnetic name tags permanent magnetic materials, demagnetization.
3, work without electricity or other power support.
4, the maximum pull-off force of gravity is 3.5 times the rated, high safety factor.
5, advanced scientific magnetic balanced design, strong retention, remanence almost zero, safe and reliable.