The company passed the ISO9000 quality system certification in 1997
In 2009, it passed the acceptance inspection of clean production units in Shandong Province. In 2012, it was recognized as a municipal level "Engineering Technology Research Center". In 2014, it was recognized as a provincial-level "Enterprise Technology Center". In 2015, it passed ISO14001 environmental management system certification and GB/T28001 occupational health and safety management system certification.
