World's ONLY Lifetracer Tech has been committed to the innovation and applications of advanced visual materials for decades.The headquarters and R&D center are located in Shanghai, with 18 scientists majorly come from well-known Universities such as Tsinghua and NCS.LeafClock Bio-Label achieves the purpose of tracking optimum life-cycle via ES Nano-microspheres, plentiful towel / underwear brands highly recommend to advise consumers to replace timely for better health. Your Health, Our Desire!