Geological drill pipe/Non-dig drill pipe/Geological drill rod
Material Selection—With API standard oil drill pipes, dependable performance
With the unique two thick molding technology of pipe joints transition zone steady and smooth, reduce mud through resistance
Domestic initiation one-piece drill pipe, IF heat treatment technology, mechanical properties higher than similar products
Joint screwed have been treated by liquid nitrogen treatment process. Depper layer than traditional phosphating process into the depper, the surface
Contact Details:
Ms.Cathy,
Email:cathyshenpeng@gmail.com
skype:cathyyuan1981
WEE CHAT,WHATS:15963881160
