Weihua HD single girder overhead travelling cranes are designed and manufactured according to DIN, FEM, ISO standards and global advanced technology, takes optimized and reliable modular design, features maximum rigidity for a minimum dead weight. This keeps the load on the crane runway to a minimum and a cost-effective design can be selected for the building. The HD series single girder bridge crane equipped with our core technology ND or NR type series electric wire rope hoists, hoisting capacity up to 20 ton, crane span up to 35 m. Standard work duty M5.