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On May 22nd-25th, TüV Sud inspected Xichai which eventually passed ISO/TS16949. Chief inspector Zhou Youyu said that Xichai had the best quality system among all the state-owned enterprises they had inspected.
Inspectors from TüV Sud examined the design, procurement, production, test, adjustment and improvement of Xichai engines and refitted vehicles, which were highly recognized due to the excellence.