Second-hand tower crane Shenyang Sanyo R70/21 has a maximum load of 12 tons, a maximum boom length of 70 meters, and a lifting capacity of 2.1 tons at the boom end. It adopts frequency conversion control for stable operation. With multiple safety devices, it has a safe and reliable structure. It has been used in many large projects and can meet the lifting needs of various construction projects. Are you interested in knowing its specific service life and price range?