Sichuan SDN Environmental Technology Co., Ltd. is a professional environmental protection high-tech group enterprise in gas purification, liquid treatment, material separation and concentration. Main business includes consulting, planning and design, intelligent equipment manufacturing, engineering construction, etc. Adhering to the mission of "Original Innovation as the main driving force to promote industrial technology upgrading", we committed to providing clean production, energy saving and environmental protection technology solutions and engineering application solutions with membrane and membrane separation technology. Our products are widely used in lithium battery, chemical, metallurgy, petroleum, pharmaceutical, food, printing and dyeing, new energy materials, military, nuclear power, medical colleges and other industries, have established long-term and stable cooperative relations with many large leading listed companies and central enterprises in the industry.