With a production of approximately 1,500 coaches per year, CSR Qingdao Sifang Locomotive and Rolling Stock is one of the biggest and most modern rolling stock manufacturers in Asia. The product range consists of coaches for high-speed trains, as well as rolling stock for the highest railway in the world, to Lhasa in Tibet.

CSR Quindao Sifang Locomotive and Rolling Stock has already used the Nencki bogie test stand (NBT) successfully for two years. Now it has procured two further test stands and has ordered Nencki machines once again.

With NBT bogie test stands 250kN measurements of the wheel load, axle bases, axle parallelism and angle of two coaches can be accomplished. In addition, leakage tests of the air suspension and brake system can be made under load and various height measurements, as well as tests of the lower floor panel.