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Load sensing control will continue to develop

Load sensing control from twentieth Century 70 time began to rise, manufacturers of hydraulic engineering machinery have launched a series of related products.

Electro-hydraulic proportional control

Electro hydraulic proportional control has been applied in engineering machinery in the early 80's, to the presentalready in hydraulic excavator has been used in large scale.

The six way multiple valve continue to exist

Although theload sensingsystem usingfour way valveto provide accurateoperation,but not alloccasions needprecise operation,andskilled driverscan completeprecise operationnonload sensingsystem for excavator.More important is,the higher priceo