The Changshu base is equipped with multiple large CNC machining centers and CNC deep-hole drilling machines, enabling high-accuracy hole drilling of large tube sheets with controllable hole pitch tolerance for demanding shell-and-tube exchanger expansion and welding.
Dedicated lines for tube sheets, flanges, prefabricated pipe segments, tube bundles and finned tubes deliver standardized, stable batch manufacturing; flanges and forged rings are integrally forged with dense structure and reliable sealing.
Certified welders per WPS, with PT, UT flaw-detection equipment and hydrostatic test benches; 100% inspection for critical products ensures every shipment qualifies.
