It's coated by a kind of special coating material which
is super corrosion prevention and abrasion resisting. Its
corrosion prevention and abrasion resisting characters are
unique. Its service life is three times longer than those
uncoated tubing.
   Since Carbon-Zirconium compound resin internal coating,
corrosion prevention and eccentric wear resistance tubing
has characters of special corrosion prevention and abrasion
resistance, it can be used in water injection wells to
prevent corrosion; in eccentric wear wells to prevent
abrasion; in submersible electric pump wells to prevent
erosion, etc..