Dragline dragline also called dragline excavators. Its excavation is characterized by: "backwards down, Chongqing imported second-hand digging machine, cut the weight of soil." Suitable for Ⅰ, Ⅱ type of soil excavation down below the surface. Work, Shanghai imported second-hand excavator market, using the inertial force of the bucket thrown to dig farther than, imported second-hand excavator market, digging and digging radius greater depth, imported second-hand digging machine recovery, but not as anti- Shovel flexible and accurate. Especially for large and deep excavation pit or underwater excavation. The second generation excavator: With the widespread use of hydraulic technology, the excavator has been applied more scientific gear, hydraulic excavator instead of mechanical drive technology is a major leap forward. 1950 Germany's first hydraulic excavator was born. Mechanical drive is the second generation of hydraulic excavators. Net imports of second-hand excavator | Used excavator Kim Ho | Jiangxi import of used digging machine provided by Shanghai Used Construction Machinery Co., Ltd. Jin Hao. Shanghai Jin Hao Used Construction Machinery Co. (www.jinhaosh.cn) is the Shanghai Minhang District, mining machinery leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Kim Ho used excavators in leadership with the staff warmly welcome all inquiries negotiations to create jinhao used excavators better future.