Positions such as sludge disposal and pipe network maintenance. Rizhao Water Group has jobs such as sludge disposal and pipe network maintenance that can be outsourced. Rizhao Water Engineering Construction Co., Ltd. is located on Shanghai Road, Rizhao Economic and Technological Development Zone, Rizhao City, Shandong Province. It has a registered capital of 110 million yuan and was established in March 1994. January 2nd.