How about septic tanks for rural toilets? What materials are good for rural household septic tanks

����The guiding opinions in the guidelines for toilet renovation in rural areas are as follows

����Septic tanks for toilets in rural areas should be made of materials that are harmless, have good corrosion resistance and have anti leakage functions, and use materials / materials such as glass fiber reinforced plastics, but septic tanks suitable for the local environment should still be selected according to local conditions.