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89070039 is part of TopMetro, a Chinese metro transit solution provider. It offers an extensive range of products including turnkey metro transportation solutions, operations and maintenance, system integration and upgrades, and rail planning and management services. The company has provided metro system solutions for more than 200 cities in China, Hong Kong, Australia, and the Middle East. Furthermore, it designs and manufactures lightweight rail vehicles, signaling systems, track systems, and other metro products.