Company Overview - Tianjin Port's stock price is reported at 4.87 yuan, down 0.07 yuan or 1.42% from the previous trading day [1] - The trading volume for the day was 348,738 hands, with a transaction amount of 170 million yuan [1] - Tianjin Port is a major comprehensive port in northern China, engaged in port loading and unloading, warehousing, and transportation [1] Industry Developments - The largest fleet of pure electric tugboats in northern China was officially put into operation in Tianjin on the 13th [1] - The fleet consists of four 5,400 horsepower pure electric tugboats, primarily used for operations in Tianjin Port waters [1] - Each electric tugboat is estimated to reduce emissions by approximately 1,100 tons of carbon oxides annually [1] Capital Flow - On the same day, the net outflow of main funds from Tianjin Port was 18.27 million yuan, with a cumulative net outflow of 4.05 million yuan over the past five days [1]