Telescopic crane of 14m working height. DH WONDER 210 is the very convenience of sign-board/bill-board work, DH WONDER 210 is popular crane among our products. Using Signboard/Billboard Carrying platform, customer moves his truck to job site carrying sign board on the boom and the distance between upper carrying platform and lower carrying platform, it can be adjustable by locking pin. If the length of signboard is long, the distance between carrying platforms should be adjusted up to the signboard itself. DH WONDER 210 have 2m auxiliary boom option for 20m working...