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Update time：2023/01/31 17:18:51

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Shandong Kaiwen metal material Co., Ltd

Shandong Kevin Metal Materials Co., Ltd.

شاندونغ كيفن المواد المعدنية المحدودة

Galvanized welded pipe

Seamless pipe

seamless steel tube

20G boiler tube

20# seamless steel pipe

45# seamless steel pipe

Q355 seamless steel pipe

Petroleum cracking tube

Gb9948 petroleum cracking pipe

Fertilizer tube

Gb6479 special pipe for chemical fertilizer

Galvanized welded pipe

seamless steel tube

Boiler tube 20g

20# seamless steel pipe

45# seamless steel pipe

Q355 seamless steel pipe

Petroleum cracking pipe

Gb9948 petroleum cracking pipe

Pipe d' fertilizer

Gb6479 special pipe for chemical fertilizer

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