Hopper and s tube are optimizing designed, the performance of absorbing is excellent; Use oil pump with large displacdment which is the original equipment imported form Germany, ensure the output of the cencerte; Use hydraulic pressure original spares imported from Germany, ensure that system can reliably work long time; Have constant power equipment, ensure diesel engine id not transship, Nocontact point and changing direction umit with long life, Equip automatic liquid oil lubrication centre and manual solid oil lubricating centre, with economic function.