HUA YU MODERN has passed the certification of CE, quality and environmental system, and obtained the certificate CE, ISO19001, IS014001. We have a patent of constant temperature and humidity control system and a number of patents of new structure. The followings are business license, trademark certificate1, trademark certificate2, Sci-Tech Report, letter patent1, letters patent2, certificate of ISO9001, certificate of ISO 14001, CE certificate of constant humiture storage cabinet, CE certificate of dry cabinet