The products With compact structure, small volume, light weight, power source extensively, Technical data:1,lifting power:1.96-980(kN)2,lifting speed:0.0105-3.006(m/min)3,worm speed:70-1800(r/min)4,model way:see below photo Other 1, The products are widely used in machinery, metallurgy, chemical, pharmaceutical, construction, water conservancy, cultural industry, with lifting and fall and by ...