The customization of channel closure is mainly the diversity of skylights and closed doors. From the form of skylights, there are fixed and flipped, and the materials are divided into sheet metal and aluminum alloy. From the appearance, there are more types of skylights. The appearance of skylights It is also necessary to carry out matching design with the door to maintain the unity of style. The closed door is divided into electric and manual, and the sunroof also has the points of automatic reset after fire-fighting induction and manual reset. The appearance of the aisle closed door includes simple sliding doors, modern-looking sliding doors, single-opening sliding doors and multiple-opening sliding doors, depending on the customer's choice and the size of the aisle.