SUNNYBELL is a company encouraging happiness, harmony, innovation and excellence. Since its establishment in 1998, SUNNYBELL has been seeking for and adhering to such value as customer-oriented, high quality, and uniqueness. We specialized in door chimes, door phones, push buttons, doorbell transformers, bells, buzzers, alarm system portable RCD, and voltage testers, etc. Through our ten-year endeavor, we get a conception to live in this competitive field, which is LEARN TO KNOW, LEARN TO DO AND LEARN TO LIVE TOGETHER. We have set up R&D Center and Tooling Making Center in order to keep pace with customers requirements. We will keep improving and satisfying all our customers all the time