Standard : ASTM A53, ASTM A106, ASTM A179, ASTM A106-Grade B, ASTM A53-Grade B, API-5L, GOST, JIS, DIN, GB/T, API5CT, ANSI, EN,….
Diameter (OD) : 273 mm
Add: Km 87+900, New Highway No.5,Nam son Ward, An Duong Dist, Hai Phong city, Viet Nam.
Tell: + 84-225.3970.590 / + 84.383699882 ( Ms Le Ha )