Its sanitation standard has got accordance with the standard of the national standard of drinking water.the product use the Female Socket and the intensive rubber ring packing two ways for connection,which make the product very strong on resistant water pressure,resistant the intensity,etc?it can get accordance with the requires of many pressure resistant (0.6~1.6Mpa).compared with the traditional steel pipe,it can improve water supply quantity by 20%.recently,it is widely used for construction project and the agricultural water supply project.