Where is the manufacturer of tourmaline air cushion?

Tianjin. Tianjin Guankang Technology Development Co., Ltd. The business scope of Tianjin Guankang Technology Development Co., Ltd. includes: biotechnology, network technology development, consulting, transfer and service; Technical development and sales of children's toys and electronic products; Books, audio-visual products, electronic publications, bicycles, clothing, sporting goods, health care products, maternal and child products, clothing, office supplies, fitness equipment, etc.