ChinaOCTG Pup Joint manufacturer Orientsteel supplies API Spec 5CT OCTG Pup Joint API SPEC 5DP for for Tubing, Casing, Drill Pipe with Threaded Protector.
Stainless Steel U Tubemanufacturer Orientsteel supplies SS 410, 410S, 430, 439, 446, 444, 440C, L80/13Cr Heat Exchanger U Tube for Heater, Heat Exchanger, etc.
Aluminum Finned Tube manufacturer Orientsteel supplies aluminium finned tube applying to air cooling unit, chemicals, petrochemicals, oil, heat exchangers, etc.