Zhengzhou Oriole Electronic (Group) Joint-Stock Co., Ltd. (Originally the State-owned 4057 Factory) is a large enterprise of holding company owned by state. It Henan provincial excellent new and hi-tech enterprise. At present,the group have six branches,they separately specialize in ...

The company is registered and located in Qingdao, which a port city Shandong province. We specialize producing supplying all kinds of renewable energy machinery accessories. Such as, pellet presses, hammer mills, wood chippers, log splitter, mixers, dryers, coolers, briquette / charcoal ...