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The 6 billion yuan worth BDO new materials project in Fuzhou sets a new pace for construction speeds. In the Jiangyin Port Economic Development Zone of Fuzhou, the Wanjing New Materials project, with an investment of 6.09 billion yuan, is quietly reshaping the landscape of the global BDO industry. With the world’s largest single BDO production facility, with an annual capacity of 300,000 tons, entering the equipment installation phase, China gains another strategic asset in the field of new materials. This project innovatively adopts recycled by-product hydrogen technology to establish a complete industrial chain from n-butane to maleic anhydride to BDO to fully biodegradable plastics. Once operational, its annual output value is expected to exceed 12 billion yuan, thereby changing the situation in which China relies on imports for high-end chemical materials. At 10 a.m. on February 27, with the precise command issued by the overall lifting supervisor, the 300,000-ton/year BDO project at Fuzhou Wanjing New Materials reached a crucial construction milestone. The 1,600-ton class crawler crane extended its arm slowly and lifted the 468-ton heavy diameter-changing reaction tower steadily. This massive structure, standing over 50 meters tall and with a diameter of 5.5 meters, completed a 270-degree turn in the air before being precisely positioned within the facility area of Fuzhou Wanjing’s 300,000-ton/year BDO production project, with an error of no more than 3 millimeters. As a key new materials project in Fujian Province, the Wanjing BDO project is advancing at \"port speed\": of the 4,677-ton giant structure, 3 out of the 23 core equipment units have already been lifted into place ； Millimeter-level precision, with real-time calibration using 3D laser scanning technology ； Three-dimensional construction method: the prefabrication rate on the ground exceeds 80%. The interior of the equipment is filled with 428 process pipes, resulting in a total weld length of 12 kilometers. The project team innovatively adopted a \"pre-installation on the ground + overall lifting\" approach, reducing the amount of work required at heights by 65% and shortening the construction period by 40%.