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2010. July water separator, steel pipe water separator (appearance design patent certificate)
2023-09-15
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2023-09
2008. In December, the National Gymnasium (Bird's Nest) won the Luban Award for China Construction Engineering Material Supply Unit
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2023-09
March 2019: ISO9001 held in the company: 2015 Quality Management System Implementation Launch Conference
2023-09-15