Core Viewpoint - The establishment of the "Three-Three" auxiliary navigation waterway at Dongying Port has significantly improved navigation efficiency and operational capabilities for various types of vessels, enhancing the port's role as a key hub for oil and liquid chemical transportation in Shandong Province [3][4][5]. Group 1: Dongying Port Overview - Dongying Port is a crucial regional port in Shandong Province and a first-class open port in the country, serving as a core base for the development of the marine economy and port industries in Dongying City [3]. - The port supports the transportation of over 200 million tons of liquid chemical products annually and handles 13 million tons of offshore oil annually, with future capacity expected to reach 18 million tons [3]. Group 2: Navigation Efficiency Improvements - The "Three-Three" auxiliary navigation waterway was introduced to enhance navigation efficiency by allowing different types of vessels to operate in designated lanes, thus reducing congestion and improving safety [4]. - Since the implementation of the auxiliary waterway, the average waiting time for vessels has decreased from 40.6 hours to 19.5 hours, and the direct berthing rate for 100,000-ton vessels has increased from 12% to 40% [5]. Group 3: Operational Achievements - On July 28, 2024, the 100,000-ton vessel "Tianqinzuo" unloaded 99,800 tons of crude oil at Dongying Port, achieving a record operational efficiency for similar vessels in the province, completing the process in 44.27 hours [5]. - By October 31, 2024, the port achieved a single-day cargo throughput of 300,000 tons, marking the highest record for vessel berthing since the terminal's establishment [6]. - Over the past year, 51,000 vessels have safely navigated through the "Three-Three" auxiliary waterway, transporting 29 million tons of goods, with a 100% adherence rate to berthing plans, saving over 400 million yuan in logistics costs for shipping companies and local refining enterprises [6].