Tianjin Zhengjian Nano-Tech Co., Ltd
Tianjin Zhengjian Nano-Tech Co., Ltd. is a High-Tech Group company
engaged in Nano Technology Development and Nano & Tourmaline
Product Production, Processing and Global Promoting.
With the introduction of advanced Technology and excellent
Tourmaline Materials from Korea and through the cooperation with
our Domestic top University and Institution, we have developed
series of Tourmaline Heal-Care products and Health-Care Sauna
Cabins based on the tech...