1 World Wide Fund for Nature (WWF), the world's largest and most experienced independent non-governmental environmental protection agency. It initiated or completed 12000 environmental protection projects in six continents 153 countries. Including man and nature, scientific exploration, natural journey, earth ecology, biological area and other columns.

2 WCS, Wildlife Conservation Association (WCS).

Formerly known as Zoological Society of new york, founded in 1895 and headquartered in new york, USA, it is a non-profit international organization dedicated to protecting wildlife and its habitat. WCS has established many relationships with many government agencies and local nature conservation organizations around the world.

3 IFAW, the International Fund for Animal Welfare (IFAW), has been committed to cooperating with local governments, non-governmental organizations and scientific research institutions, helping China to protect wild and domestic animals through financial and technical support, and promoting the harmonious coexistence between humans and animals.

Established in 1987, the International Conservation Organization (CI) is an international non-profit environmental protection organization headquartered in Washington, D.C., the purpose of which is to protect the remaining natural heritage on the earth and the global biodiversity, and to prove that human beings and social and natural can live in harmony. International conservation organizations protect biodiversity in hot spots through science and technology, economy, policy influence and community participation. International conservation organizations work in more than 30 countries on four continents.