Factors affecting the selection of rotary drilling rigs are: pile length, pile diameter, geology and special pile type, pile hole has size and depth, geology has simple, complex and soft and hard, seen small piles are 500mm, big piles are 3 meters.1, small piles can only be hit by small rotary drill Read More

Today, I will share with you the selection of rotary drilling rig and tell you what type of rotary drilling rig is used for what pile hole.Factors affecting the selection of rotary drilling rig are: pile length, pile diameter, geology and special pile type, pile hole size, depth, geology is simple, Read More