NINGBO WECO OPTOELECTRONICS CO., LTD specializes in designing, developing, manufacturing of elevator door detector, WECO is the largest door detector manufacturer in the world. Located in the Ningbo Economic& Tech Developing Zone, with registered capital 60 million RMB, WECO is able to produce 1,400,000 sets of elevator door detectors annually, WECO sells it' s product to many countries around the world, such as Europe countries, Canada, the U. S, Singapore and Australia, additionally, WECO has established the global sales network. WECO sold 960,000 sets of elevator door detector in 2017. As a National High-tech enterprise, WECO has a R& D center at provincial level, professional light curtain laboratories and a laboratory set up with University. WECO has independent intellectual property rights including 3 invention patents, dozens of utility model patents and a number of software copyrights.