This chair is one of the EB series. The chair has simple structure, easy installation and maintenance. It is very versatile and has good scalability. The seat can ergonomically wrap to the human body, and feels comfortable because it uses the high-grade fire-retardant soft fabric. Its seat back design is shaped with pulled fabric, and has a full, relaxed, exquisite, and elegant appearance. The seat looks more luxurious and grand with its large armrests, making it the best choice for cinemas, auditoriums and theaters. 1. Seat back: Foam style: Polyurethane cold foam sponge, which is bonded with multiple molding liners, and has good flexibility. Back veneer: Is made by pressing multiple molding boards with a high frequency veneer press. Deformation is slight. Back board decoration: Is made by wrapping multiple molding boards with the cover, which is made with sewing fabric and leather. 2. Seat mat: Seat cover: The zippered seat mat and seating cover are easy to replace, with soft and comfortable high-grade brushed flannel. Seat mat: Is made with metal springs and PU through single foam cold curing. Seating mat installation: The shaft is telescopic, which facilitates the installation and removal of the seating mat. 3. Armrests: Armrests: Are made via PP injection molding, and can turn up. Its surface is decorated with PU foam and integral skin foam cover board, with comfortable texture. 4. Iron stand: Iron stand: It is made by stamping and welding Q235 high-quality steel tubes and steel plates. Its surface has undergone anti-rust spray-molding treatment. Decoration of side boards: Are made of wooden frames wrapped with fabric. 5. Seat support: 20# steel castings a.position width range: 570-600mm b.minimum distance between each row:1100mm c.minimum install radian: 15000mm