This happens routinely in a coal mine owned by Jinneng Holding Group, a State-owned energy giant headquartered in Taiyuan, Shanxi province.

Range of positions in management of gas emissions create more professions.

"There is no shortage of supplies. The price surge is not an exact reflection of the current supply and demand situation," said an analyst.

Located in North China, the Inner Mongolia autonomous region is not only famous for its vast grassland, but also its great mineral resources.

That month, a high-speed train linking Beijing and Chengde city in Hebei went into operation.

That month, a high-speed train linking Beijing and Chengde city in Hebei went into operation.

Deng Jun, executive vice-president of Aux Group, said, "The rising prices of aluminum, copper and steel (iron ore) have forced us and the whole industry to raise product prices."

Even though China's foreign trade surged more than 29 percent on a yearly basis in the first quarter, the public should not get unduly optimistic.