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Chengdu Yunda Technology Co., Ltd. (hereinafter referred to as "Yunda Technology") was established in 2006 with a registered capital of 448 million yuan and landed on Shenzhen Stock Exchange in April 2015 with a stock code of 300440.Yunda Technology is a supplier of rail transit intelligence systems.With years of technological accumulation, Yunda Technology has become one of the few high-tech enterprises with core independent intellectual property rights and independent production capacity in the field of domestic rail transit intelligence system.