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After receiving Brazil Subway gearbox orders subsequently in 2011 and 2013, NGC has recently received another Brazil Subway gearbox order. The product model in this new order is the PDM490 double-stage driving structure subway gearbox, with a quantity of more than 300 sets. The previous subway gearbox orders for two Brazil subway lines have been delivered, and the products are in good operating condition.

The subway gearbox is one of the key components of the subway bogie traction system. The NGC-developed subway gearbox has achieved high reliability under variable loads and high vibrations in complex conditions through a simulation analysis for working conditions of rolling stocks. The maintenance-free life of the gearbox is more than 1.2 million kilometers, satisfying the requirements for low noise and high density power.

NGC rail transit gear products have been extensively involved in high-speed rails, intercity rails, urban rails, locomotives and other fields. NGC has established long-term cooperative relationships with GE (United States), ALSTOM (France), CSR, CNR and other famous manufacturers at home and abroad, and has received IRIS (International Railway Industry Standard) certification. The Company is committed to providing global customers with safe, reliable, and quiet gear products as well as providing a full range of rail transit gear driving device solutions. Today, approximately 10,000 locomotive driving gears are operating on rails in China, North America, North Africa, and other places around the world, and more than 10,000 subway gearboxes have been successfully applied in the urban subway lines of Beijing, Shanghai, Shenzhen, Nanjing, Hong Kong, Qingdao, Dalian, Suzhou, and Ningbo as well as the systems of other countries such as Chile, Argentina, Brazil, India, Netherlands, and Singapore.