us healthman co., ltd healthman is a high-tech comfort material.healthman material an open celled visco-elastic, pressure relieving and temperature sensitive material that moulds to the exact contours of your body. ordinary polyurethane features irregular cell shapes simply compress under weight. with...
us healthman co., ltd healthman is a high-tech comfort material.healthman material an open celled visco-elastic, pressure relieving and temperature sensitive material that moulds to the exact contours of your body. ordinary polyurethane features irregular cell shapes simply compress under weight. with...