Changchun S. K Optics & Electronic Tech. Co., Ltd. is a leading high-tech professional enterprise integrating the research and development, production and marketing of medical laser products. We have established long-term technical cooperation with Changchun University of Science and a number of optical research institutions. Through continuous efforts, our company has developed and produced S-300-type lattice of carbon dioxide laser machines, Ultra pulse CO2 laser,S-600 Q-switch laser ...