Junling Wang

Scaling ratio stepless regulating device for double-cylinder and double-liquid mud-injection pump

Concrete wet-sprayed technological equipment for roadway

Novel concrete mixer for coal mine

Mining concrete mixing machine

Novel gray mortar slip-casting delivery pump

Spray head device for wet-spray concrete sprayer as well as spray head and spray head seat thereof

Auto-traveling multifunctional wet spraying machine

Concrete pump and mechanical reversing hydraulic driving system thereof

Concrete pump and distribution valve cylinder reversing mechanism thereof

Hopper for concrete sprayer and concrete sprayer adopting same