Sewage Environmental Protection Equipment Co., Ltd. Shandong Ruizhao Xiang has been widely used in construction, agriculture and buried sewage treatment equipment supply, transport, energy, petrochemical, environmental protection, urban landscape, health care, food and other fields, but also more and more into the the daily lives of ordinary people. Shandong Ruizhao Xiang tell you: the main town sewage wastewater from sewage and agricultural components.