Really. According to the query Shanghai Pujiang Bridge and Tunnel Operation and Management Co., Ltd. released recruitment information that, as of June 16, 2023, Shanghai Minhang District Pujiang town recruiting tunnel maintenance workers age limit of 18-55 years old, the entry into the payment of five insurance and one gold, inclusive of food and housing, is mainly responsible for tunnels and bridges engineering, urban roads, bridges, tunnels, maintenance. Tunnel maintenance is in order to eliminate the railroad tunnel disease, to ensure the safety of train operation, the tunnel maintenance and repair work.