The raw material ste•δel pipe adopts high-end p​♥ickling

and phosphating seamless s₩φ£>teel pipe,

Well known brand welding machine for "♣σwelding,

Advanced production tecλ×hnology is adopted

in the steel pipe production•♥✔∏ process,

And secondary pickling

and phosphating were c‌γ↓arried out,

Ensure that the cleanliness

of the steel pipe meets the s∞​​tandard.