BMH Type Single-girder Semi Mobile Crane 1.Capacity:2-10t 2.Span:5-20m 3.Lifting ... :6-50m 4.Certificate: ISO 9001 1.IntroductionBMH single-girder semi gantry crane is a very common type, which has the advantages of reasonable structure ... . Brief introduction of Single Girder Semi Gantry Crane 5t 1) This is a kind of middle or small size crane, equipped with CD, MD type hoist, travelling ...