Dumper unloading system is one of the main products of Dalian Tongda mining and Metallurgical Machinery Co., Ltd. Dumper unloading system is an efficient and special unloading equipment used to dump the bulk materials such as coal, ore, chemical raw materials, etc. which are loaded by the general open car of the railway. The equipment is widely used in the basic industries such as metallurgy, electric power, chemical industry, port and wharf.

公司现可自行设计制造适用不同现场条件的贯通式和折返式翻车机卸车系统，品种包括“O”形、“C”形回转式和侧翻式翻车机，可一次翻卸单车、双车敞车车辆，并且可以对老式翻车机进行改造升级。公司产品具有卸车全程自动化程序控制和故障自诊断等先进的电气、液压控制水平。

At present, the company can design and manufacture through and turn back dumper unloading systems suitable for different site conditions, including "O" type, "C" type turning and side turning dumpers, which can dump single and double open cars at one time, and can upgrade the old dumpers. The company's products have advanced electrical and hydraulic control level, such as unloading process automation control and fault self diagnosis.