Ruida Optical as founded in 2007. We supply various kinds of perfect optical sapphire crystals including flat surface , curved surface , spherical surface , multi surface , cylindrical surface , box type , and some other very special style.After more than thirteen years with our persistent drive to innovate,Ruida Optical has become one of advanced sapphire glass manufacturers and we are also certificated as "National High-Tech Enterprise" by Ministry of Science and Technology.
     As the Forerunner of the sapphire galss manufacturing industry, Ruida has been striving to create cutting-edge products and services to our users.  Now we had won the praise of many high-end watch brands . Will we also hope to be your high quality supplier！