The outer dowty retarder does not contact the wheel flange, and does not grind the wheel flange of the locomotive, reducing the workload of washing and repairing the locomotive and avoiding the troubl
The dowty retarder, which was born in Harbin in the last century, is an important innovation of my country’s railway speed control equipment. However, this dowty retarder is installed on the inner sid
©Shandong China Coal Import & Export Co., Ltd. © 2017
Address: No. 11, North of Kaiyuan Road, High-tech Zone, Jining City, Shandong Province, China
Executive Editor: Zhang Wen / Editor: Linda Zhang