New network of news on July 2, limestone belt conveyor of the longest promenades in Changjiang, Hainan was officially put into use. The use of belt conveyor Gallery, limestone from the mine can be served directly in the production area, towards transport of limestone dust, emissions, compared with traditional motor transport, festive energy of 11100 tons of standard coal, while nearly 20,000 tons of carbon dioxide emission from diesel combustion and energy than the 91.4%.