anti overswing top rotation brake boom

{"cid":"91201783","title":"SYG5441THBCB 560C-10 M56 Boom Controlled by Anti Overswing Top Rotation Brake Technology","imgUrl":"https:\/\/img.chinax.com\/nimg\/7d\/20\/b71f6f21675b7c1866eb85485158-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"sany","Model Number":"M56","Minimum Order Quantity":"1 unit","Delivery Time":"10 DAYS","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union","Supply Ability":"1 unit","Packaging Details":"Export standard.","Power Type":"Diesel","Weight":"42490kg","Power(W)":"300kw\/1800rpmkw\/Rpm"}}

{"cid":"91200778","title":"Anti Overswing Used Concrete Pump 47meters 5 Boom Diesel Engine","imgUrl":"https:\/\/img.chinax.com\/nimg\/42\/66\/aa2028528ef520d90b1ba6e1fe67-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Zoomlion","Model Number":"ZLJ5339THB","Minimum Order Quantity":"1 unit","Delivery Time":"7-20 working days","Certification":"ISO90001.SAE","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"10 units per month","Packaging Details":"RORO ship, Cargo bulk ship","Engine type":"Diesel","Boom Length":"47meters","Boom Section":"5 Boom","Power":"287kw","Max Concrete Output":"180 m3\/h","Concrete Pressure":"9 Mpa","Max.Hydraulic Pressure":"360Bar","Chassis model":"Actros 3341","Total Weight":"32870KG","Dimensions(L*W*H)":"12060*2500*4000mm"}}