South Korea Risheng Electronic Technology Co., Ltd. was established in 1994. It is a comprehensive high-tech Korean-owned enterprise engaged in design, development, production, sales and agency. With an investment of HK$5 million, the factory covers an area of more than 20,000 square meters. The factory is located in the High-tech Industrial Park, Fushan District, Yantai City, Shandong Province. The sales and service department is located in Building 3, Room 410, Minle Industrial Zone, Minzhi Street, Longhua District, Shenzhen. A professional enterprise specializing in the production of SMT switches, tact switches, toggle switches, navigation switches, SMD switches and mobile phone side buttons for mobile phones, digital cameras, MP3, MP4, DV, car audio and other products. Agent: Japan (Alps) ALPS switches, encoders, potentiometers and other comprehensive products. The products have passed the quality certification and safety certification of authoritative certification bodies at home and abroad such as CQC, UL, CUL, CE, etc. and comply with the RoHS (SGS) environmental protection directive.