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Joho Steel Co., Ltd

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City:changsha

Country/Region:china

Contact Person:Mradmin

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Quality Control

When a batch of steel pipe production is completed, it needs to be tested by professional and authoritative institutions to ensure the quality.Generally, our commonly used testing agencies are SGS, BV, TUV...

Certifications

Standard: ISO9001:2015

Number: 04321Q30560R0S

Issue Date: 2023-03-24

Expiry Date: 2024-03-24

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Joho Steel Co., Ltd

Contact Person: Mradmin

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