It is formed in one body, not easy to leak, tough texture, high product accuracy, clean and beautiful water tank, beautiful appearance, not easy to dirty, can easily remove dirt. Collision resistance, impact resistance, good heat and freeze resistance, can be used in the environment of minus 40 degrees Celsius to 60 degrees Celsius, UV resistance, not easy to embrittlement, tasteless, good acid and alkali resistance, convenient installation and transportation, simple use, can be used for a long time. Colors can be customized according to customer needs