Established in 2007, Dongguan Bailing Electronic Co., Ltd. specializes in the production of roll ball sensor switches, tilt sensor switches, vibration sensor switches, vibration switches, optical roll ball switches, mercury switches, reed switches and metal parts that are mainly with the brand "Beelee". Our series of roll ball sensor switches provide accurate control for a wide variety of applications in security devices and alarms, toys and sports equipment, and automatic power-off function for household appliances, portable 3C products, tire centrifugal force detection and cordless power-saving devices. And to this day, our company has acquired more than 20 product patentsFor your assurance, our operations are running according to ISO9001:2000 certification and our products comply with RoHS certification.Our R&D personnel are devoted to designing new products to satisfy your demands. By developing more accurate and practical electronic components, we manufacture valuable products without compromising on quality. Your kind advice and sincere cooperation will be appreciated.