Group 1 - The first batch of large offshore engineering heavy items from Jiangsu Tianeng Marine Heavy Industry Co., Ltd. has been exported to the Middle East, contributing to the "Belt and Road" initiative [1] - The project involves a 73-meter long, 3-meter diameter, and 350-ton oil and gas pipe pile, showcasing high standards in non-destructive testing and welding quality with a qualification rate of over 99.9% [1] - The company utilizes advanced automated welding equipment and plate rolling machines to meet high precision requirements for the products [1] Group 2 - The second phase expansion project of Jiangsu Tianeng Marine Heavy Industry was completed in June, with a total investment exceeding 1 billion yuan, focusing on manufacturing technology for 15-meter diameter single piles and super-large guide frames [2] - The annual output value after production is expected to exceed 2 billion yuan, providing strong capacity support for the company's expansion into overseas markets [2] - The Qatar oil and gas pipe pile project consists of seven phases over approximately ten years, with future products including wind towers, single pile structures, and guide frame structures to be shipped globally [2]