Tested, Certified, and Documented
We back our flood barriers with management-system certifications and independent laboratory testing. Below is the documentation that supports our products.
Management system certifications
- ISO 9001 — Quality Management (certificate HNXH25Q0122R0S)
- ISO 14001 — Environmental Management (certificate HNXH25E0097R0S)
- ISO 45001 — Occupational Health & Safety (certificate HNXH25S0099R0S)
Issued by Beijing HNXH Certification, covering research and sales of flood control boards. Valid from 2025-03-14 to 2028-03-13.
Independent laboratory testing
- Reports issued by the National Polymer Materials Quality Inspection and Testing Center (Anhui), with CNAS and CMA accreditation.
- Material verification: ABS (acrylonitrile butadiene styrene); alloy models verified as PC+ABS.
- UV aging: UVB-313 for 48 hours with no visible change.
- Mechanical performance measured across the full range of models.
Representative test results (2024 batch)
| Model | Type | Weight (kg) | Tensile (MPa) | Flexural (MPa) | Hardness (HD) |
|---|---|---|---|---|---|
| WZ50 | Straight | 4.1 | 45.6 | 70.8 | 79 |
| WZ66 | Straight | 7.78 | 45.2 | 72.1 | 80.1 |
| NW50 | Inner corner | 2.8 | 45.7 | 70.7 | 80 |
| WW50 | Outer corner | 2.9 | 45.4 | 70.9 | 80 |
| WZ75 | Straight | 9.63 | 45.3 | 70.0 | 79 |
| WZ100 | Straight | 14.6 | 45.5 | 71.6 | 80 |
| WZ110 | Straight | 13.01 | 45.2 | 69.0 | 80 |
Effective water-retaining height measured at 501–503 mm for the 50 cm series and 713–718 mm for the 75 cm series.
Other credentials
- CCC certification
- INTERTEK testing
- Registered own-brand trademark (Class 19)
- Full test reports and certificates available to customers on request.