01/04/2022
Continuous fatigue test to ensure product quality!
Donghong Gas Springs are designed, manufactured and delivered according to the most strict quality standards:
Quality1 At least 50000 times passed TUV fatigue test
Quality2 RoHS certificated by SGS
Quality3 Passed ISO9001 and ISO/TS16949 International System Certification
Quality4 At least 144 hours salt spray testing