best quality drive unit for single girder overhead crane

{"cid":"91195402","title":"Electric Overhead Travelling Crane , 5T Single Girder Bridge Crane High Capacity","imgUrl":"https:\/\/img.ismap.com\/nimg\/ee\/82\/bfbca17984b13432af2fe594efb0-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Silence","Model Number":"LD LX LDZ HD","Minimum Order Quantity":"1 set","Delivery Time":"15-20 days","Certification":"ISO CE","Place of Origin":"China","Payment Terms":"Western Union, L\/C, T\/T","Supply Ability":"300 sets\/per month","Packaging Details":"High quality standard exported plywood crate","Rated loading capacity":"1~32t","Max. lifting height":"30m","Work duty":"A3-A5","Crane feature":"Single Girder Oveherd Crane","Lifting speed":"Variable Speed (standard) or design","Condition":"New"}}

{"cid":"91209207","title":"Ip54 Single Beam Eot Crane Mining Safe Explosion Proof 2 Ton 5 Ton Electric","imgUrl":"https:\/\/img.ismap.com\/nimg\/07\/f3\/1aa9cc5c758c9ec5bf3a9e864a29-200x200-1.jpg","attrs":{"Price":"500-8000US$ FOB Shanghai","Brand Name":"Bestaro","Model Number":"BSC-5T","Minimum Order Quantity":"1piece","Delivery Time":"15 workdays","Certification":"CE ISO GOST","Place of Origin":"Henan,China","Payment Terms":"L\/C, T\/T","Supply Ability":"5000 sets per year","Packaging Details":"Export standard packaging","Keywords":"European Standard Single Girder Overhead Crane","Load Capacity":"1-5ton","Feature":"Frequency Control And Braking","Span":"5-15m","Max. lifting height":"9m,12m,6m","Advantage":"High Transmission Efficiency","Control method":"Wireless Remote Control","Application":"Indoor Outdoor Workshop","Condition":"New","Color":"Clients' Requirments","Power supply":"220V~440V\/50Hz\/60Hz\/3P,3 Phase AC 380V 50HZ"}}