The technology is so popular that by the end of 2017 bike-sharing apps had helped to cut carbon emissions by an estimated 6.99 million metric tons, according to reports released by Mobike and Ofo.
The three former employees were engineer, sales and at management post before leaving the tech company.
The three-day event is expected to attract over 2,000 prominent personalities from politics, business, civil society, academia and the arts.
The theme of the conference, hosted by the International Organization of Vine and Wine (OIV), is: "Preservation and innovation: expectations at the environmental, economic and social level."
The three are among the six winners of this year's award of the Champions of the Earth. The other three are from Chile and the United States.
The top three companies are China Petroleum & Chemical Corporation (Sinopec), Petrochina Company Limited and China State Construction Engineering Corporation Limited, with 2.89 trillion yuan, 2.35 trillion yuan and 1.3 trillion yuan in revenue, respectively, and 63.09 billion yuan, 52.59 billion yuan and 38.24 billion yuan in profits, respectively.
池州排名优化
The title was bestowed on the municipality in June by the China Hotel Association. Eating hotpot is part of the city's culture, and there is even a comedy film, Chongqing Hotpot, which was released last year.
The time for taxpayers to comply fell to 207 hours last year from 259 hours in 2015, a 75-percent reduction since 2004, according to a report by PricewaterhouseCoopers and the World Bank Group.
The total floor space of commercial housing sold in 40 cities monitored by real estate research agency E-house China R&D Institute went down 31 percent month-on-month in January.
The total issuance of green bonds in the Asia-Pacific region rose from an estimated billion in 2017 to around billion in 2018. The rapid growth of green bonds has been driven by large-scale new green bond issuance in China in 2017 and last year.