Company profile Zhongke Optical Communication Devices Co., Ltd. was founded in 2000, is a high-tech enterprise of Shanghai city science and technology in Shanghai. There have been 17 years of work experience in production and research and development design. In order to meet the needs of products and improve the quality of products, we have rebuilt the environment of workshop from June 2014. Now, there are 26 purification plants in the workshop, there are 480 thousand meters in the 1000 level purification workshop, and 780 square meters in the 10000 level purification workshop.