Certificates

- Certificate Name ISO9001
- Certificate Issuer ECI
- Certificate ID
- Expiry Date 2023/10/29
- Certificate DescriptionISO9001 does not refer to a standard, but a class of standards collectively, is by TC176 (TC176 refers to the quality management system technical committee) developed all international standards, is ISO12000 more standards in the best-selling, the most common products.

- Certificate Name JIS
- Certificate Issuer korean standard association
- Certificate ID KSCN18029
- Expiry Date 2024/10/13
- Certificate DescriptionCarbon steel square and rectangular tubes for general structure

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