Nanjing Zhongke Bidun New Membrane Technology Co., Ltd. is a joint venture company jointly established by Nanjing Bidun Environmental Protection Technology Co., Ltd. and Zhongke Compound (Dalian) Technology Development Co., LTD. Mainly committed to high-performance PTFE hollow fiber membrane products and membrane contactor process research and development, providing technical services and process design, including high ammonia nitrogen wastewater treatment, high suspended matter wastewater treatment, natural gas purification (such as carbon dioxide removal, desulfurization), membrane distillation (such as high salt wastewater concentration) and other fields of solutions.