Doosan Infracore has signed a contract to supply 36 excavators to Neimenggu MengXin Group, PulseNews reported on Wednesday.

MengXin runs four mines with more than 100 large-sized excavators and 30 wheel loaders, according to the news agency. It has a coal mining capacity of 20 Mt/y, it added.

The mining company decided to change its supplier to Doosan Infracore after testing the firm’s products for two months and noticing their performance and fuel saving capability, the news agency reported.

As a result, Doosan Infracore will provide six 80 ton (73 t) DX800 excavators, 20 DX520 excavators (capacity 52 tons (47 t) and 10 38-ton (34 t) DX380 excavators (one pictured), which will be used at the company’s operations in Inner Mongolia.