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Used in the tram lines of Shenzhen, Ningbo, Wuhan, Huai'an, Guangzhou.

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There are two types of energy recovery systems: ground type and vehicle-mounted type, has been respectively applied to the experimental line of Zhuzhou Electric Locomotive Co., Ltd. and Shenzhen Metro Line 5. The system runs well .

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Used in the air-conditioning system of subway trains and EMUs. At present, its operation performance on dozens of subway lines at home and abroad is good with more than 40 series of products.

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