July 29, 2013
The TR-550 rotary drilling rig is the biggest kinds machine in the word,its designed and producted by ourself,This
machine has exhibited in the Beijing international exhibition.
The biggest tonque is 520KN.m,the max. depth is 130m, the diameter is 4m, Its successful development, represent
areas of our company in the pile-driving machinery product development capability already been in the leading
position in the world.
To know more information,please contact us .