IATF 16949
ISO 14001
Originals, validity and scope are available for supplier audits.

Valid 2024-02-01 → 2027-01-31

Valid 2025-06-19 → 2028-07-01
Annual quality objectives
Non-conforming parts are logged daily by category and trended; corrective action starts the same day.
Request quality informationMaterial, performance and environmental test equipment
The laboratory was expanded in 2023 and has applied for CNAS accreditation; a joint laboratory is run with Qingdao University of Science and Technology.
Material testing
Durometer, thickness gauge, rheometer, Mooney viscometer, flash-point and kinematic viscosity testers, water bath, drying oven.
Performance testing
Densitometer, metallographic microscope, computerised and servo tensile testers, abrasion tester, laser gauge, flame-retardancy chamber.
Environmental testing
Damp-heat cycling, ozone, UV ageing, xenon-arc and salt-fog chambers.
Material testing






Performance testing







Environmental testing






Recognitions and granted patents



| Type | Title | Patent no. |
|---|---|---|
| Invention | 一种制备改性白炭黑的方法 | ZL 2015 1 0692570.6 |
| Invention | 一种炼胶生产线 | ZL 2016 1 1165286.4 |
| Utility model | 密炼机进料装置 | ZL 2016 2 1382565.1 |
| Utility model | 一种炼胶生产线 | ZL 2016 2 1382591.4 |
| Utility model | 汽车天窗密封胶条专用细缝对接机 | ZL 2016 2 1382585.9 |
Process monitoring and continuous improvement

In-process inspection data is consolidated daily, categorised by defect and trended; significant deviations receive corrective and preventive action, and the results update the FMEA and control plans.