Equipped with multiple sets of imported pull-boring and push-boring machines, and integrated with self-developed guiding tooling bars. This combination ensures exceptional machining precision and superior wall thickness uniformity, delivering results that have earned consistent customer acclaim.
Advanced equipment guarantees an internal surface roughness of Ra ≤ 3.2 µm.
Bevel machining is performed using high-precision CNC lathes, ensuring bevel accuracy that fully meets weld alignment requirements.

Typical pictures