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"Currently, China Mobile, the country's largest telecom operator, has as many 4G base stations as those of China Unicom and China Telecom combined. That could also be the case in terms of 5G base stations in the future," the research note added.

"Current conditions are already favorable for China to further widen market access, and have led to a critical window for China to continue opening up," said Niu.

"China tends to be a country that's very innovative, very forward-looking as far as deploying new technologies, and we think those two technologies are going to play a big role in China's energy future," he said.

"Climate change is really slamming the land," said World Resources Institute researcher Kelly Levin, who wasn't part of the study.

"Considering the European market tends to be conservative and stable, the end of the EU's restrictions won't affect demand this year," he said.