... whole set is used with CD1 and MD1 model electric hoist, it is a kind of light type crane equipment with capacity 20ton and span 7 ... certification of test. Technical Parameter: Lifting capacity (T)1,2,3,5,10T16,20TSpan (M)7.5-22.5MCrane travelling mechanismTravelling ... mechanismElectric hoist modelCD1/MD1MD1/HCLifting speed (m/min)8, 8/0.8 7, 7/0.73.5 3.5/0.35Lifting height ...