flat top tower crane with frequency control

{"cid":"91171028","title":"8 Tons Qtz80 Rise Buildings Flat Top Tower Crane With Frequency Conversion Control Russia","imgUrl":"https:\/\/img.ismap.com\/nimg\/58\/a6\/0c8b4deda600c2c4585c677d0d90-200x200-1.jpg","attrs":{"Brand Name":"Avit","Model Number":"qtz80","Minimum Order Quantity":"1 SET","Delivery Time":"15-20 days","Place of Origin":"China","Certification":"EAC COC, ISO, CE","Packaging Details":"Containers","Payment Terms":"30% TT deposit and 70% before delivery","Supply Ability":"30sets per month","Trolley Traveling Speed":"0-40 M\/min","Tower Head":"Flat Top","Free Height":"45m","Control":"VFD","Power Supply":"380V\/50Hz Or Customized","Control System":"PLC Or Frequency Conversion","Warranty":"1 Year","Applicable Working Conditions":"High-rise Buildings, Bridges, Power Plants, Etc."}}

{"cid":"91219729","title":"Top Slewing Flat Top Tower Crane 12 Ton 16tonne","imgUrl":"https:\/\/img.ismap.com\/nimg\/1b\/ce\/544aaf0f1202019cd1c85c903aca-200x200-1.jpg","attrs":{"Price":"53289","Brand Name":"Sinocorp","Model Number":"QTP7030-12\/16","Minimum Order Quantity":"1","Delivery Time":"180 work days","Place of Origin":"China","Payment Terms":"T\/T, L\/C","Color":"Yellow\/Green","Hoist Speed":"72 m\/min","Max. Height":"200m","Max. Jib Length":"70m","Max. Load Capacity":"16t","Power Supply":"3-Phase 380V\/50Hz","Safety Device":"Overload Limiter, Emergency Stop Button","Trolley Speed":"55 m\/min","Type":"Flat Top Tower Crane","Warranty":"12 Months"}}