WECO Optoelectronic Co., Ltd. was founded in 2004 with registered capital of 37.6 million HK dollars. and is a Sino-foreign joint venture, specializing in the development and production of "WECO" brand door detectors. WECO sold 350,000 sets of door detectors in 2011. WECO is one of the largest door detector manufacturers in the world and was awarded the prize of