Powered by strong technical development and continuous innovation ability, DY PISTON RING ranks among the leading brands.
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In 2002, it was the first piston ring manufacturer in China to pass the ISO/TS16949 quality management system certification, in 2018 it passed the IATF16949 quality management system certification, in 2015 it passed the ISO14001 environmental management system certification.
In 2018 it passed the ISO45001 Occupational Health and Safety Management system certification.
Powered by strong technical development and continuous innovation ability, DY PISTON RING ranks among the leading brands.
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