Do processing, assembly and production of mechanical products. Dandong Mingcheng Environmental Protection Products Co., Ltd. mainly sells mechanical equipment and molds, packaging supplies, installation and maintenance of mechanical equipment and molds, among which male workers refer to ordinary jobs, which are processing, assembling and producing mechanical products. Dandong Mingcheng Environmental Protection Products Co., Ltd. was established in April 2008 18, and its address is Qianmen Line, donggang city, Dandong City, Liaoning Province.