... 4.CE&ISO certificate Introduction 1.DY Conveyor Machine is a kind of equipent mainly used for ... eg.port, yard, coal spot, garage, construsion sit and sandstone spot or agriculture spot.2.It is ... up. There are two forms of wheel, one gas wheel, the other steel wheel. The angle can be ajusted for the machine ... ,for eg.port,yard,coal spot,garage,construsion sit and sandstone spot or agriculture spot. §It ...