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Recently, HE successfully passed a number of key milestones in the core assembly system of WTGS HE187-6750 with fully independent intellectual property rights. Among them, the general assembly function commissioning and the comprehensive performance test of the main transmission chain and the main power chain in the workshop and the on-site assembly of the first innovative steel tube concrete lattice tower in China were completed. The corresponding large components and assemblies were successively shipped from the Zhenjiang and Xiangtan manufacturing bases of Harbin Electric Wind Power to the Zhangbei wind farm in Hebei Province, and the installation and commissioning of the final prototype was completed.