1) Single beam box type,no welding technology,light weight,strong st;rength! 2) Matched with CD1 or MD1 electric hoist,single or dual lifting speed. 3) Capacity:1-20tons 4) Span:7.5-22.5m,and we could design it according to your requirements. 5) Working class:A3,A4,A5 6) Ambient working temperature: -25°C to 40°C. 7) Control mode: pendent push button control; wireless control; cabin control. 8)Customized voltage:220v/380v/400v/415v/440v/50hz/60hz/3p 9)Main electric parts:Siemens or Schneider brand

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