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ໂຮງງານຜະລິດ ERW Steel Pipe

ໂທ: +86 022 28896655 68586699
FAX: +86 022 59511005
The Only official Websit of Factory: www.szt-sp.com

The Only official Websit of International trade Department: www.tjshenzhoutong.com

ໂຮງງານຜະລິດ Spiral Welded Steel Pipe

ໂທ: +86 022 28896655 68586699
FAX: +86 022 59511005
The Only official Websit of Factory: www.szt-sp.com

The Only official Websit of International trade Department: www.tjshenzhoutong.com

ໂຮງງານຜະລິດນ້ໍາມັນປອກທໍ່

ໂທ: +86 022 28896655 68586699
FAX: +86 022 59511005
The Only official Websit of Factory: www.szt-sp.com

The Only official Websit of International trade Department: www.tjshenzhoutong.com



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