Core Insights - China's underwater oil and gas pipeline total length has surpassed 10,000 kilometers, positioning the country among the world's leaders in this field [1] Group 1: Technological Advancements - China's underwater pipeline engineering has achieved significant technological breakthroughs, enhancing its equipment capabilities to an internationally advanced level [2][3] - The country has made strides in the localization of technology, materials, and equipment, with key milestones including the domestic production of pipeline analysis software and automatic welding equipment in 2023 [3] - The successful development of the world's first kilometer-level underwater pipeline automatic launching system is set for deployment in 2024, with further innovations expected by 2025 [3] Group 2: International Expansion - China is actively expanding its underwater pipeline engineering services into international markets, particularly in regions associated with the Belt and Road Initiative [4] - In 2023, Chinese companies have accelerated overseas cooperation, with significant projects completed in countries such as Brunei, Qatar, and Nigeria, totaling over 500 kilometers of underwater pipelines laid [5] - A notable achievement includes securing a $4 billion contract for a project in Qatar, setting a record for Chinese companies in the Middle East [5]