Recently, in the scientific and technological achievement appraisal meeting jointly hosted by the Qingdao Municipal Science and Technology Bureau and the Municipal Economic and Trade Commission, the expert team identified the scientific and technological innovation projects of the Double Star Group. After identification, the group’s “Development of reinforced radial truck tires”, “Development of 50 series radial passenger tires”, “Development of high performance super flattened heavy-duty radial steel tires”, and “R&D of tire raw tire autotransport system” Five scientific and technological achievements of ',' S15 pressure forming machine' reached the international advanced level; 'R&D of rapid vulcanization of multicolor rubber products' reached the domestic leading level.

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