Shanghai Guanbo Machinery Equipment Co., Ltd. (GBM) is one of the leading manufacturers loading and unloading machines in China. We are specialized providing grabs, port machinery, metallurgical grab buckets clamps. GBM owns a strong R&D team consisting ...

Shanghai Guanhai Engineering Machinery Technology Co., Ltd. provides three categories of products including hydraulic mechanical cranes, marine heavy machinery, fittings excavators, all kinds grab buckets, and other specialized branch branded ...