NEW YORK, U.S. - Trump Hotels has expressed keenness to do business in China, with the company predicting it will open 20 or 30 luxury hotels in China, which would involve direct talks with the governing Communist Party of China.

Expectedly, there are valid concerns of president-elect Donald Trump's potential conflicts of interest in connection with his vast business empire. 

If Trump does decide to expand in China, it will undoubtedly complicate relations between two of the world's giants.

"It's very hard for foreign politicians to do business in China," said Liu Xuemei, vice president of New World Development's Huamei Real Estate Development. "If you want to do politics, don't try doing business in China."

"It's a lot of trouble," she added. 

"If your relationship with China isn't good, there's no way your papers and permits will be approved. The Chinese government is hard to deal with, so buildings are hard to build."

The Chinese government has also expressed its displeasure over a plan by the United States for high-level military cooperation with Taiwan. 

The National Defense Authorization Act for 2017 has references to high-level military exchanges with Taiwan. 

It says that it is "the sense of Congress that the Secretary of Defense should conduct a program of senior military exchanges between the U.S. and Taiwan," which, if implemented would challenge the current status quo on the issue and the continuation of the "one-China" policy.

"We are firmly against the Taiwan-related contents in the U.S. act and have lodged solemn representations with the U.S. We are strongly discontent with the U.S. for signing this act," Chinese Foreign Ministry spokeswoman Hua Chunying told reporters on Monday.

"We urge the U.S. side to honor its commitment on the Taiwan question, put an end to military exchanges with and arms sales to Taiwan and avoid undermining China-U.S. relations or cross-Straits peace and stability," Hua added.

And the Chinese state-run publication Global Times warned Trump specifically. 

"If the Trump administration opts to engage in a geopolitical friction with China over the Straits, Beijing has the edge – stronger military control and resolution – and would win over Washington."