Analysis of information sources in references of the Wikipedia article "China Railway High-speed" in English language version.
Many multinational companies also resent China for tweaking foreign designs and building the equipment itself rather than importing it.
In the past few months, some foreign companies that sold China its high-speed technology said the trains were not designed to operate at 215 miles per hour. The ministry said that Chinese engineers had improved on the foreign technology and that the trains were safe at the higher speeds.
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