Chengyang Beijing Beijing ***, Chengyang

Qingdao Shuangjunli Machinery Manufactory specializes in design, manufacture and installation of temperature control equipment. For years it has committed itself to energy conservation and environment...

The company relies on modern production equipment and strong technical force to develop and produce a complete set of layers, broilers, breeding chickens, breeding chicks, eggs, ducks, quails, geese a...