[Longjian shares: winning bid 508 million yuan rural highway upgrading and reconstruction construction project]-according to the announcement of Longjian shares, the company's subsidiary Dingchang Company won the bid for the 2023 rural highway upgrading and reconstruction project in Mishan City, with a winning bid price of 508 million yuan, accounting for 2.99 percent of the company's 2022 operating income. The construction period is 220 days.