YIHONG has set up an inspection center with fullest inspection machine including MTS performance test machine, durability test machine , salt spray test machine, high & low temperature test machine, rubber ultraviolet rays test machine, rubber strength test machine, roughness tester, hardness tester, physicochemical properties tester and so on..

"Continuously improve the process, ensure products quality; constantly develop and innovate, satisfy the customer's requirement;strengthen service awareness, transcend the customers' expectations " is the quality policy of our company. we will be driven under this guideto continuously improve quality system construction. YIHONG has been granted ISO9001 International Quality System Certification in 2000 and updated the ISO/TS16949 international quality system in 2008.JUSTONE has also been achieved off-site audit in 2010.The advanced inspection equipment and testing process with the tight quality management system ensure the effective supervision of the products' quality activities in the whole production process and the stable quality of the batch production."Quality comes frommanufacturing" is engraved on our minds.