Pole steel product features:

(1) tongued and grooved welding process by riveting instead, make the mold wall finish, eliminates the uneven rivet hole trace, so that the cement pole appearance quality has improved significantly.

(2) the longitudinal reinforcement on the steel cylinder for "one" glyph, all molds are equipped with solid device, and the bending strength is greatly increased, the stiffness of steel to prevent deformation, prolong service life.

(3) joint mouth groove processing into a trough and can install rubber sealing strip, encryption seals, prevent leak slurry, ensure the quality.