BZ70 Hydraulic walking pile frame is our heavy equipment which is integrated by mechanical, electrical and hydraulic systems. It is specially made for SMW(Soil Mixing Wall) construction. As a 70 tons grade pile frame, this type machine integrated by new hydraulic system is developed from our JB series Hydraulic walking pile frame technology and construction experience through improved quality and performance. This equipment not only can be hung with SMW multishafts drilling machines, but also can be used in other foundation construction projects. So this high performance model machine is a multi-functional equipment to work in foundation projects, such as bridges, harbors and diaphragm walls.