1.The Machine work on the principle of pushing extrusion for making the precast concrete pillars, columns or posts . According to the sizes of pillars, the machine can make the 4-8 rows of concrete products . It is very efficient . About 300 meter length of precast concrete pillars can be made per working hour. 2.Various shapes and sizes can be customized according to customer requirements, such as:H, L, T, Square shape.