Quality Control
The company operates a national-level CNAS-accredited laboratory with a comprehensive quality control system, equipped with high-end imported experimental and testing equipment. Every product batch undergoes strict inspection.
Testing Center
Quality Management System
ISO9001 Certification
Certified under ISO9001 quality management system; established standardized and regulated quality management processes to ensure consistent, stable product quality.
CNAS Laboratory
CNAS-accredited national laboratory equipped with imported testing instruments, offering comprehensive testing services including physical properties, chemical analysis, and pressure resistance tests.
End-to-end inspection
From raw material intake to finished product shipment, 12 quality control checkpoints are established. Every batch must pass full-item inspection before release.
Laboratory Test Items
The company's CNAS-accredited laboratory can perform the following 19 tests, of which 6 are CNAS-recognized.
Basic Material Properties
- •Density
- •Melt Mass Flow RateCNAS
- •Volatile Matter Content
- •Moisture ContentCNAS
- •Ash
Mechanical Property Testing
- •elongation at breakCNAS
- •Tensile StrengthCNAS
- •Weld Tensile Strength
- •Tensile Peel Test
- •Crush Peel Test
Structural Performance Testing
- •Ring stiffness
- •Crushing Test
- •Drop Weight Impact
- •Longitudinal Shrinkage Rate
- •Vicat Softening Temperature
Durability Performance Testing
- •Oxidation Induction TimeCNAS
- •Hydrostatic StrengthCNAS
Ingredient Analysis & Testing
- •Carbon Black Content
- •Carbon black dispersion