The film details the level of aluminum tube fixed GTAW welding, copper plate butt GTAW welding austenitic steels with pearlite steel welding, welding stainless steel and other composite welding technology, educational films for the use of real locations and manifestations of combining graphics and animation, visual image, easy to understand and master.

Under the economic crisis plunged governments stimulus so that the world economy recover quickly leaving the commodity markets, "a lot of fire" into the 2010 world commodity markets fell into negative factors substantial downturn trend in commodity commodity markets fell across the board.Under the background of the world economy continues to recover, exit policy will allow countries to stimulate commodity will go from here?

"Twelve Five" period will be dozens of copper, aluminum, lead, zinc and other nonferrous metals, including total control, total capacity control in less than 41 million tons.Development of small metal will be of particular concern, while in total control, will greatly enhance the value-added products, the development of downstream processing industries.

Yiding Xu promising non-ferrous metal sector.