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- Time of issue:2020-02-20 00:00:00
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"Specialized, Refined, and New" Small and Medium Enterprises | API-5L | |
API-5CT1 | 5CT-1038 |
5L-0698 |
ISO9001 |
ISO9001 |
Special Equipment Production License |
Assessment Certificate for the Integration of Industrialization and Industrialization Management System |
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CONTACT US
Shandong Zhongzheng Steel Pipe Manufacturing Co. Ltd.
Add:No.8-Mudanjiang Road-Liaocheng Economic
Development Zone-Shandong Province-China
Postal Code:252000
Phone:+86-635-8880099
Fax:+86-635-8882844
Website:www.zlsteelpipe.com
James:+86-18963580990
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Time of issue:2019-10-29 00:00:00
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