Located in Zone of Zhongguancun Technology Industrial Park, Beijing City, China. Biduk has been offering the customers with our creative of sensor projects in the wide industrial automatic field. Biduk is becoming one of the most famous & specializing brands on sensors making in China nowadays.We are now famous in home & abroad because of our wide, professional and high technology products range: Inductive Proximity Sensor, High Temperature Sensor, High Pressure resist Sensor, Capacitive Proximity Sensor, Photoelectric Sensor, Area Photoelectric Sensor, Optic Fiber Amplifier, Optic Fiber cables and other controllers. Our factory strictly arrange our productions process according to the quality management system and already got the certificate of ISO 9001:2008 from NQA. All our products are designed & built strictly conform with the international IEC norms and conformity with CE marks & ROHS direction. During the past years, our products were fully extended into the Euro