https://www.zssteeltube.com/
Seamless steel Pipe stock warehouse
Large inventory ready to ship
Steel pipe implementation standard:
ASTM A53 GR.B
ASTM A106 GR.B
API 5L GR.B PSL1
ASTM A192
ASTM A179
ASTM A210
ASTM A213
ASTM A335
ASTM A333