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So in the long 90s of last century, China Mobile Communications decided to successfully develop proprietary technology, but has invested 30 billion Oughout.S. dollars in R & D costs in China, 450 million users in […]
So in the long 90s of last century, China Mobile Communications decided to successfully develop proprietary technology, but has invested 30 billion Oughout.S. dollars in R & D costs in China, 450 million users in […]