Chongqing Xishan Science & Technology Co., Ltd. is a High-tech enterprise and software enterprise in Chongqing which is specialized in R&D, manufacturing, and sales of DK Surgical Power Devices. The products are maily applied to the neurosurgery and orthopedics for drilling, milling, grinding and sawing processings. As China top brand in the industry, our company is authorized as the organization of national criterion making in surgical power device and accepted by CMD medical instrument quality management system. After 10 years’ development, our products already obtained 24 national patents and 4 software copyrights, being used in over 400 domestic hospitals such as Beijing Tiantan Hospital, Beijing Xuanwu Hospital, First Affiliated Hospital of Beijing University, Beijing 301 Hospital, and Southwest Hospital etc. Meanwhile our products are recognized by many Chinese famouse neurosurgery experts and national leaders like academician of Chinese Academy of Engineering Mr.Wang Zhongcheng and Minister of Science and Technology Mr.Wangang.You may learn more information from our website:http://*****/