Derrick Crane with A-Frame Mast 660t

Weihua made a 660t derrick crane with A-frame mast. The video shows the dynamic load test and static load test. It is for lifting the 22,000m3 LPG tanks at quayside.
http://www.weihuacraneglobal.com/product/Derrick-Crane.html
Email: weihua@craneweihua.com