From May 21 to May 22, 2019, the International Environmental Technology Center (IETC), a subsidiary body of the United Nations Environment Programme (UNEP) the "technical solutions for global garbage management" conference jointly held with Osaka municipal government was held in Osaka, Japan. Long Jisheng, expert member of International Solid Waste Association and chairman and CEO of kangheng environment, was invited to attend the meeting. In addition, kangheng environment has also signed a strategic cooperation agreement with the United Nations International Environmental Technology Center (IETC), and the two sides will deepen cooperation in global solid waste management.