First of all, for any newly developed product, every component must undergo strict inspections such as our performance test and life test. Secondly, during the production process, we will have corresponding inspections after each process. For the final product, the air tightness is 100% fully inspected; Then, we have advanced and complete testing equipment in the industry: universal tensile testing machine, high and low temperature tester, static characteristic tester, life tester, water tightness test, coating tester, hardness tester, salt spray tester, vibration test Instrument, spring life tester, etc. Ensure a full range of testing requirements.