... 50MT-10MT,heavy duty bridge type ,gantry type hoist cranes ,also in hoist crane series. SQJ7-1 is the closed type cab,and is ... mainly applicable to Cabin design fulfils all basic requirements for crane operator's safety in difficult, heavy duty operation, reliable ... in the cab includes :cam controller ,master controller ,hoist crane control bench,illumination box ,and electrical fan.This product has ...