As early as in 1992, Beijing Zhaoteng Chemiluminescence New Technology Research Institute - the predecessor of Beijing Wenhaiyang Co. LTD., had been devoting to the research of chemiluminescence technology. Over arduous efforts, this company has become the biggest chemiluminescence product provider in China. Over a dozen of years, as a cradle of chemiluminescence technology of China, this company has been leading the technical advancement of China's chemiluminescence industry. Moreover, we own several dozens of products that are sold to many countries include Europe and USA, and we also undertake various OEM orders.