It arrived only about two days after a sandstorm engulfed most of the region, reducing average visibility to less than 1,000 meters.
It also promised to expedite the construction of training bases and to support exchanges between different startup labs.
It bans the supply of industrial machinery, transportation vehicles, and iron, steel, and other metals to the DPRK.
It emphasized that China's precommercial and commercial launch footprints will also be among the largest in the world in terms of base stations.
It has set up a joint venture with China's JAC Motors to produce electric cars for the Chinese market.
It has also exported its advanced technologies to Ethiopia and Myanmar to support local industrial upgrades, and built production plants in India, Thailand and Belarus.
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It also said the exchange rate of the yuan is largely stable, with improved two-way flexibility and enhanced ability to sustain external shocks.
It imported 26.12 million tons of crude oil for Petro-China's domestic refineries in 2017, while exporting 8.33 million tons of refined oil products for PetroChina's refineries, making itself a major oil import supplier in countries including Myanmar, Sri Lanka, Vietnam and Indonesia.
It also built a number of roads and related infrastructure around its water production plant to stimulate local economy, as well as donating half million yuan for primary education and launching training courses for over 530 people to raise employment rate in Zhuxi county.
It has accumulated valuable experience for China's reform and opening-up and modern construction, and has made significant contributions to exploring the path of socialism with Chinese characteristics, Wang said.