On May 31, Qingdao Doublestar Co.,Ltd said that the Dong Jiakou factory had been completed and it had become the first intelligent factory in the whole process industry of bus and bus tires 4.0 in the world. 
  At the same time,the company's passenger car tire industry 4.0 project is under construction.
     In addition, its subsidiary, Doublestar Dongfeng tire co., Ltd., will move to the new industrial park of Zhangwan district, Shiyan city.
  According to the plan ,Dongfeng tire co., LTD will build a new tire industry 4.0 intelligent factory and a waste rubber and plastic green recycling (cracking) industry 4.0 intelligent factory.