But he's dismayed by the U.S.-China trade spats and the restrictions on a growing number of Chinese companies that have been imposed, or are being proposed, by U.S. lawmakers. "It's very unfair," he said, lamenting that competitors from other countries did not face similar issues when trying to expand into the United States. Reuters spoke to seven tech entrepreneurs from mainland China, most of them educated overseas, who would like to expand their businesses in the United States. Geopolitical tensions have meant a far less friendly atmosphere for mainland Chinese companies wanting to operate or gain funding in the United States, the entrepreneurs and consultants say. The U.S. Commerce Department did not respond to a request for comment on attitudes towards Chinese companies within the United States.

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