1.High strength---with the shape of international popular corrugated design, the relative strength upgrade several times compare with others of the same thickness. 2.Seals and interchangeability--- Produced by CNC rolling molding technology, it assures all geometry dimensions. Width direction tolerance can be guaranteed to mm, all dimensions meet the ISO13920 A-grade requirements, and it greatly improve the sealing performance and interchangeability of the pot door. 3.Cost---As pot door adopts the new design ideas , it not only reduce the weight of unit piece but also greatly save the production cost of each square meter. 4.Energy consumption---The corrugated design that pot door adopt effectively reduced energy consumption, and also reduced the radiation intensity of the electrolysis plant by about 20%,therefore it creats a more comfortable working environment for the operation workers. 5.Working life--- Produced with superior aluminium alloy plate, pot door has a very high heat resistance and corrosion resistance ability, all these extend the working life of the pot door.