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XINING, Oct. 3 (Xinhua) -- China will put environmental concerns as top priority in tackling ways to exploit combustible ice, a kind of natural gas hydrate, in the permanent tundra in its northwest plateau region, said a combustible ice project leader.     "We do not need to drill very deep to get the flammable frozen compound from tundra here in Muli Prefecture in Qinghai Province. However, as the sample is taken out, methane gas is easily released into the atmosphere," said Wen Huaijun, chief engineer of the combustible ice project in Qinghai.     He said the project team under the China National Administration of Coal Geology is carrying out research to guarantee that the exploitation of the frozen natural gas does not cause environmental problems.     Combustible ice is regarded as a potential source of alternative energy to coal and oil. One cubic meter of combustible ice can release 164 cubic meters of natural gas.     The Ministry of Land Resources said on Friday that the prospective volume of the natural gas hydrate in the country's frozen earth regions is estimated to reach 35 billion tonnes of oil equivalent.     China announced the first discovery of the resource under the bed of the South China Sea in May 2007.     Wen said the environmental threats from the use of the resource even in a land-based region is enormous, because it releases carbon dioxide or methane into the atmosphere.     "The plateau region is very sensitive to environmental changes. The biological conditions here are vulnerable," he said.     Combustible ice usually exists in seabed or tundra areas (two mediums having the strong pressure and low temperature necessary to its stability). It can be lit up like solid ethanol, which is why it has the name "combustible ice."     Wen said the combustible ice research project has been carried in Muli Prefecture, 4,100 meters above sea level, since 2004.     "It still takes time and a huge amount of research investment to realize the dream of exploiting the resource, while ensuring the environment," he said.     Wang Jianbin, deputy director of the Qinghai Bureau of Land Resources, said at the present stage, the project focus is still to ascertain locations of the deposit, and carry out a feasibility study on its exploitation.

VANVOUVER, Aug. 31 (Xinhua) -- Top Chinese legislator Wu Bangguo stopped over in Vancouver on Monday morning prior to his official visits to Cuba, Bahamas and the United States. Wu Bangguo (R), chairman of the National People's Congress, the legislature of China, meets with Canadian International Trade Minister Stockwell Day in Vancouver, Canada, Aug. 31, 2009. Wu, chairman of the National People's Congress (NPC), the legislature of China, is expected to meet with Canadian International Trade Minister Stockwell Day and Canada's British Columbia Premier Gordon Campbell during his stay.     Wu will leave for Havana, capital of Cuba, on Tuesday.

XINING, Oct. 3 (Xinhua) -- China will put environmental concerns as top priority in tackling ways to exploit combustible ice, a kind of natural gas hydrate, in the permanent tundra in its northwest plateau region, said a combustible ice project leader.     "We do not need to drill very deep to get the flammable frozen compound from tundra here in Muli Prefecture in Qinghai Province. However, as the sample is taken out, methane gas is easily released into the atmosphere," said Wen Huaijun, chief engineer of the combustible ice project in Qinghai.     He said the project team under the China National Administration of Coal Geology is carrying out research to guarantee that the exploitation of the frozen natural gas does not cause environmental problems.     Combustible ice is regarded as a potential source of alternative energy to coal and oil. One cubic meter of combustible ice can release 164 cubic meters of natural gas.     The Ministry of Land Resources said on Friday that the prospective volume of the natural gas hydrate in the country's frozen earth regions is estimated to reach 35 billion tonnes of oil equivalent.     China announced the first discovery of the resource under the bed of the South China Sea in May 2007.     Wen said the environmental threats from the use of the resource even in a land-based region is enormous, because it releases carbon dioxide or methane into the atmosphere.     "The plateau region is very sensitive to environmental changes. The biological conditions here are vulnerable," he said.     Combustible ice usually exists in seabed or tundra areas (two mediums having the strong pressure and low temperature necessary to its stability). It can be lit up like solid ethanol, which is why it has the name "combustible ice."     Wen said the combustible ice research project has been carried in Muli Prefecture, 4,100 meters above sea level, since 2004.     "It still takes time and a huge amount of research investment to realize the dream of exploiting the resource, while ensuring the environment," he said.     Wang Jianbin, deputy director of the Qinghai Bureau of Land Resources, said at the present stage, the project focus is still to ascertain locations of the deposit, and carry out a feasibility study on its exploitation.

BEIJING, Sept. 27 (Xinhua) -- Aviation Industry Corporation of China (AVIC), the country's top aircraft manufacturer, said Sunday total sales revenue in its auto business would reach 30 billion yuan (about 4.39 billion U.S. dollars) by 2017.     Geng Ruguang, deputy general manager of AVIC, said making big passenger vehicles has become the the corporations's guiding plan for development in its auto business.     Geng revealed the figure at a ceremony marking AVIC and its partner Volvol's new product Silver 900 series going into production line.     The series is a new type of big and luxurious passenger vehicles, 12 meters long, which could be used for road transportation, tourist reception, and military equipment.     The Silver 900 series was developed by Xi'an Silver Bus Corporation, a joint venture established in 1994 by AVIC Xi'an Aircraft Industry Co. ltd, and the Swedish bus and truck maker Volvo company.     The Xi'an Silver Bus Corporation expects to produce annually 4,000 vehicles by 2014. A mockup of jumbo jet C919, the major project of the Commercial Aircraft Corporation of China (COMAC), is displayed at the Asian Aerospace '09 in Hong Kong, China, Sept. 8, 2009

BEIJING, Aug. 20 (Xinhua) -- Serbian President Boris Tadic on Thursday pledged to promote economic and trade ties with China, welcoming Chinese investment.     Serbia wanted to maintain high-level political ties with China and enhance economic exchanges and cooperation, said Tadic at a business forum held by the China Council for the Promotion of International Trade (CCPIT). Chinese President Hu Jintao (L) welcomes visiting Serbian President Boris Tadic in Beijing, capital of China, on Aug. 20, 2009Serbia has signed free trade agreements with the European Union, Russia, Belarus, Turkey and the eight countries of South Eastern Europe (SEE), giving Serbia access to a free trade market covering 800 million people, he said.     "The security of foreign investments is guaranteed by the Serbian government," Tadic said.     Chinese telecommunications equipment providers Huawei and ZTE were among the foreign investment successes, he said.     Serbian Deputy Prime Minister Mladjan Dinkic briefed Chinese companies on Serbia's transport facilities, tax and preferential policies for companies in the information, telecommunications and electronics sectors.     "Serbia has noticed the exponential growth and the export potential of Chinese high-tech companies, and especially welcomes Chinese investments from areas of telecommunication, electronic and automobile industries," Dinkic said.     China-Serbia trade volume surged from 9 million U.S. dollars in 1994 to 460 million U.S. dollars last year, said Dong Songgen, vice chairman of the CCPIT.     The participants at the forum were mainly Chinese industries in the energy, construction, finance, medicine, consulting, agriculture and textiles sectors.     Tadic arrived in Beijing early Wednesday for a week-long state visit as a guest of President Hu Jintao. It is the first official visit by a Serbian head of state since Serbia became an independent state in 2006.