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The predominant product of the co***ny is the prize of silver that the prize of gold that the steel ball matches the machine, vacuum take type machine accidentally with other in general use and mark the equipments not, among them the steel ball matches accidentally the machine onces acquire the Chinese gold technique exposition with patent technique exposition, and joined the excellent item investment fund application item that the co***ny of Canada RES establish.It is a kind of exploitation steel ball to l...
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