Documents you can review
Quality & Compliance.
Review our ISO 9001:2015 certificate and model-specific RoHS document. Tell us the tests or documentation your part requires.
Certificate front pageQuality management system
ISO 9001:2015
The certificate states a scope covering the production and sales of plastic products (PVC/PE/PP extruded strips).
- Certificate no.
- 76426Q00075R001
- Certified entity
- Ningbo Dalang Building Materials Co., Ltd.
- Standard
- GB/T19001-2016 / ISO9001:2015
- Issuer
- Da Hua Certification Services Co., Ltd.
- Issued
- 19 March 2026
- Stated expiry
- 18 March 2029
Management system certification for the stated scope. Continued validity is subject to required surveillance audits.
Certificate front pageSpecified-model documentation
RoHS Certificate
of Compliance
This document lists specified plastic profile models. Applicability to an order must be reviewed against its material, model and supporting report.
- Certificate no.
- TQT0374J165EC
- Product
- Plastic profile
- Main model
- DL-PVC(1-200)
- Additional models
- DL-PE(1-200), DL-uPVC(1-200)
- Referenced report
- TQT0374J165E
- Document date
- 26 February 2026
- Issuer
- Shenzhen Tianqi Testing Technology Service Co., Ltd.
Valid only with test report TQT0374J165E, as stated on the certificate. No expiry date is stated.
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Define the application
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Confirm the requirements
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Review the evidence
Check document scope against the specific material and model being supplied.
Project-specific documentation