NS:5618 is an upgrade version of this series, which is composed of two parts: ceramic basin and electric seat. NS:5618 electric seat is characterized by a extension function, when adjusting the height of the foot, the seat cushion extends outward, and the backrest cushion is also stretched out at the same time, so that the customer can approach the lying position. Achieve semi-lying and sitting multi-angle adjustment. Every point of the back, hips, and legs can be fitted to the seat, and the body is perfectly supported. Improve customer comfort. This structure of product has got an international patent.