Chengyang Jihongtan Community, Qingdao, Shandong, China,266000
Qingdao Shuangjunli Machinery Manufactory specializes in design, manufacture and installation of temperature control equipment. For years it has committed itself to energy conservation environment protection made a good example the two aspects. Since its inception, initiatively taken part international communications ...
exhaust fan, ventilating and cooling equipment, poultry fa