Threeway Steel Co., Ltd
Steel Pipe，Welded Steel Pipe, Seamless Steel Pipe
Threeway Steel is a professional supplier of steel pipes under ISO 9001 quality system. With the approval of American Petroleum Institute, our mill is awarded with API 5L PSL1 / PSL2 and API 5CT certificate.
Our Main Products Range:
ERW Steel Pipe: OD 1/2 – 24inch (21.3 -610mm)
SSAW Steel pipe: OD 8 – 100 inch (219.1-2540mm)
LSAW Steel Pipe: OD 8 -72 inch (219.1-1820mm)
Galvanized Steel Pipe and Scaffolding Tube: 21.3 -610mm