China National Pulp and Paper Research Institute Co. Ltd. Beijing 100102 China;
National Engineering Lab for Pulp and Paper Beijing 100102 China;
China National Pulp and Paper Research Institute Co. Ltd. Beijing 100102 China;
National Engineering Lab for Pulp and Paper Beijing 100102 China;
China National Pulp and Paper Research Institute Co. Ltd. Beijing 100102 China;
National Engineering Lab for Pulp and Paper Beijing 100102 China;