Spider Concrete Placing Boom can be placed in suitable places required without being fixed. ◆It features compact structure, light weight and can be lifted as a whole by a crane. ◆With excellent maneuverability, it can meet the requirements for concrete placement on different job site, and is ideal for concrete pumping and placing ◆Easy operation , reliable safety and economical purchase Specification 12 meter electric 15 meter electric 18 meter electric 18 meters (big bearing) The arm design Dual-channel steel Dual-channel steel Dual-channel steel Dual-channel steel Fabric RADIUS (m) 12 15 18 18 Cloth height (m) 4 4 4 4 The duct diameter mm 125 125 125 125 Outrigger span m 3.2*3.2 4*4 4*4