Welded & Seamless - ntau qib nyob hauv Alloy Steel, Carbon Hlau, Stainless hlau,
Lub sam thiaj-Npib tsib xee, duplex, super duplex thiab cov hlau txawv

Seamless kav (15 hli rau 600 hli)
Carbon Steel, Stainless hlau thiab cov ntaub hlau tsis muaj roj av, seamless kav dej.
Raws li ASTM-106, API 5 L, ASTM A53 Qib A53 A / B, ASTM A-333, DIN 244041, BS3601 / 3602/1387

Welded Kav (15 hli rau 2000 mm)
ERW, LSAW, HSAW, EFW
Raws li API 5L, ASTM A53 Qib A53 A / B, ASTM A671 / 672, BS1387, DIN 2440/2441
Tag nrhohomtus kav dej belongs rau ib txwm tus qauvthiabSab laj Hoobkas kom tau txaisntau duaTshwj xeeb kev customization.