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].