... 70A 3. Mast weight: 140kg 4. Total weight: 20t SC Type Construction Hoist 1.The product mainly includes:Guide frame, driving ... body, drive unit, eletric sysrtem, safety base plate, anti-dropping tripper, limit device, upper eletric box, suspension cage, down eletric ... the starting of the suspension cage passing in and out door, protective fence door etc. are flexible, check the action of each ...