Core Viewpoint - Shenzhen has transformed from a small fishing village to an international metropolis over 45 years, with significant contributions from China Communications Construction Company Fourth Harbor Engineering Bureau (CCCC Fourth Harbor Bureau) in infrastructure development [2][3]. Group 1: Historical Contributions - CCCC Fourth Harbor Bureau played a pivotal role in the early stages of Shenzhen's development, notably through the "first blast" at Shekou in 1979, marking the beginning of China's reform and opening-up [2][3]. - The company introduced the "four cents reward" system to enhance worker motivation, leading to projects being completed ahead of schedule and initiating significant reforms in distribution systems [3]. Group 2: Infrastructure Development - The company has been instrumental in constructing key water engineering projects, including Shekou Port, Yantian Port, and Dalan Bay, significantly improving Shenzhen's port capacity and cargo throughput [3][4]. - CCCC Fourth Harbor Bureau completed the second phase of Shekou Container Terminal in 2002, which included two 50,000-ton container berths and received the National Quality Engineering Award in 2005 [4]. - Between 2006 and 2008, the company further enhanced Shenzhen Port's container transport capacity, positively impacting the economic development of Shenzhen and the broader Pearl River Delta region [4]. Group 3: Technological Innovations - The company has consistently adopted new technologies and materials in its projects, achieving several firsts in domestic construction practices, such as the large-scale application of internal anchor bolts and advanced concrete techniques [5]. - In 2020, the company transformed the Ma Wan Port into China's first "5G" smart terminal, setting a benchmark for the modernization of traditional ports [7]. Group 4: Future Projects - CCCC Fourth Harbor Bureau is involved in the construction of the Shenzhen Airport's third runway, which aims to accommodate an annual passenger throughput of 80 million and a cargo throughput of 2.6 million tons [10]. - The company is also working on the Shenzhen-Zhongshan Corridor, a world-class cross-sea passage expected to be completed by June 2024, enhancing regional connectivity [8][9].

Group 1 - Hunan Navigation Engineering Co., Ltd. received three fines on August 29, 2025, for failing to comply with maritime regulations, including not monitoring the designated VHF communication channels and not maintaining the ship's automatic identification system in normal working condition [1][2][4] - The fines imposed by Nanning Maritime Bureau were each 1,000 RMB for the violations, which are based on the relevant maritime safety supervision rules and administrative penalty laws [2][4] - The company is a wholly-owned subsidiary of Hunan Port and Waterway Group Co., Ltd., with total assets of approximately 560 million RMB, making it the largest and strongest state-owned enterprise in the port and navigation engineering sector in Hunan Province [4][5] Group 2 - Hunan Navigation specializes in port and waterway engineering construction, dredging, blasting construction, and safety evaluation supervision, with underwater blasting technology being its most distinctive and influential segment [4] - The company was established in 1993 and has a registered capital of 31 million RMB, with its legal representative being Long Qiuliang [5]