... mat 3.Factory price 1. The use of natural Xiuyan jade , Jade transparent, like arts and crafts as 2.The stone ... piety to their parents.The natural waves emitted by the jade mattress is especially beneficial to elderly patients suffering from ... diabetes, apoplexy, insomnia, gastrointestinal tract diseases, arthritis etc. Heated seat cushion can be controlled at 30 degrees to 70 degrees, controlled ...