ERW Steel Pipe factory
TEL：+86 022 28896655 68586699
FAX：+86 022 59511005
The Only official Websit of International trade Department: www.tjshenzhoutong.com
Spiral Welded Steel Pipe factory
TEL：+86 022 28896655 68586699
FAX：+86 022 59511005
The Only official Websit of International trade Department: www.tjshenzhoutong.com
Oil Casing Pipe factory
TEL：+86 022 28896655 68586699
FAX：+86 022 59511005
The Only official Websit of International trade Department: www.tjshenzhoutong.com
