Originally established in 1985, Yuyao Keyi Optical Instrument Co., Ltd. is a professional enterprise and a member of National Teaching Instruments Trade Association. Our company has been engaging in the research, development and production of the teaching instruments all the time. Our company specializes in laboratory apparatus and demonstrating instruments for nature chemistry, physics and biology in the middle schools, and mathematics in the primary schools. We own a good technical group which is highly educated. In the meantime, in order to develop new products, we employ some good researchers from the schools and research institutes. More than 800 kinds of eligible instruments have been developed and produced during the past 20 years. With the support of effective market and product research and our technical staff's efforts, we have successfully developed worldwide and comprehensive markets in Asia, the United States, Europe and Africa. Our company has obtained the ISO9001:2000 certification and our products are produced according to the national and international standards. Adhering to the spirit of "Strict and Improve", and the principle of "Teaching Human, and Serving for Education", we are now forwarding to the goal of "Building up an excellent brand and creating a top-ranking quality in the field of optical products". Any inquiry or visit is warmly welcomed. We hope we can make a better future with our joint efforts.