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Liu said China began to solicit proposals on eight types of scientific instruments to be used in the mission among universities, research organizations and private enterprises both at home and abroad.

He said the forum would voice the firm support for multilateralism and an open world economy, enrich the principles of cooperation of the Belt and Road Initiative, build a network of partnership, and establish more mechanisms for high-quality development.

Users can check on the implementation of 31 preferential policies for Taiwan in the mainland's 25 provincial-level regions on the app. The app also has a Q & A section.

The Ramsar Convention, or the Convention on Wetlands, is an inter-governmental environmental treaty adopted in 1971. It provides the framework for national actions and international cooperation regarding the conservation and wise use of wetlands and their resources.

"My mum used to work for a lord. She had no shoes and not enough clothes to wear. Now, we are living in a house of 400 square meters. What a great change," he said.