What type of railway freight car adopts integrated braking device?

Integrated braking device is adopted for freight cars of CSR Yangtze River Railway. CSR Changjiang Railway freight car is the first vehicle with integrated braking device. Because "Integrated Braking Device for Railway Freight Cars Bogies" is a patent applied by CSR Changjiang Vehicle Co., Ltd. on August 24th, 20th11,all vehicles produced by this company adopt integrated braking devices, so CSR Changjiang Railway Freight Cars adopt integrated braking devices.