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The national pipeline network has grasped the two ends of the middle and implemented the "X+1+X" model, promoting -
Qingdao Jingjian Energy Technology Co., Ltd. is a wholly-owned subsidiary registered and established2023-07-11Qingdao Jingjian Energy Technology Co., Ltd. established a wholly-owned subsidiary in Shenzhen, Guangdong Province in December 2022
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