John Hancock and nano science and Technology Co Ltd   

China health care product for external use field since 2010 has entered a period of rapid development, is the scientific community and the medical profession called "wonders of nature and health effect of the best" tourmaline "was applied to the external health care field is a comprehensive breakthrough the high-tech humanity and human health well-being. Overall health care products market in China industry development, external health care products advantage is self-evident, it improves the utilization ratio of effective component, and external health care products are extremely safe, all oral care products impossible is 100% pure, how many there are impurities or unknown, may cause potential harm to the body, health care product for external use solves such problems and higher economic income make people to pursue high quality of life...