Economic Observation Network The main contract for polyvinyl chloride (PVC) on the Dalian Commodity Exchange rose 5% to 4747 yuan/ton; The main plastic contract surged 5% to 8045 yuan/ton. The main contract for short fiber of Zhengzhou Commodity Exchange rose by over 3% to 7694 yuan/ton.

From resistance to embrace, takeaway has become a rare highlight in the catering industry in the first half of the year

You can get a license anywhere, but young people don't get married because it's inconvenient

Low altitude track differentiation: rapid development of industrial drones, temporary slowdown in commercialization of eVTOL