Rainbow ( Tianjin ) Technology & Development Co., Ltd. is a China and Germany joint venture company , our company use our high technology help our customers  saving electricity and energy.We manufacture and installation of energy saving equipment.
At present, the company focuses on the power saving products and PCB design and manufacturing.  Many stable and efficient power saving products have been developed used at home, commerce and industries. Especially the power savers for home and commerce use have kept leading the market. In order to ensure the leading position, the company will insist on developing new products continuously.
We welcome the new customers to join us and build up the bright future.