If found guilty they could face 10 years in jail.
An official at the Chinese Embassy in Warsaw says China attaches "great importance to the detention" of a Chinese citizen in Poland who has been detained and charged with espionage and that a representative of the embassy has met with officials at Poland's Foreign Ministry to discuss the case.
Telenor is now testing 5G networks with the use of Chinese equipment supplied by Huawei, but with Friday's arrests, pressure will only mount on the firm, who sought to substantiate their presence on the continent with the establishment of an European Union headquarters in Brussels in 2018. The company said it abides by applicable laws wherever it operates and expects employees to do the same. The other is allegedly a former security agent who recently worked with the Polish branch of France's Orange telecommunications company.
The arrest comes on the back of a hard year for Huawei, which has seen the arrest of the daughter of the firm's founder in Canada and USA efforts to blacklist the company internationally over security concerns.
Some European governments and telecom companies are following the USA lead in questioning whether using Huawei for vital infrastructure for mobile networks could leave them exposed to snooping by the Chinese government.
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USA officials are claiming Huawei is working with the Chinese government, allowing its equipment to be used by the government for spying on Western adversaries.
Zaryn identified the Chinese businessman as Weijing W and the Polish suspect as Piotr D.
Huawei had a presence at CES, but one of its employees was arrested in Poland while the show was going on.
The U.S. criticism has led to a number of Western countries and companies to review whether they should allow Huawei's equipment to be used in their telecoms networks. The Eastern European country's officers have seized documents from both Huawei's and Orange's offices.
New Zealand, Australia and the USA have barred Huawei from involvement in their next-generation 5G mobile networks. The agency did not immediately respond to Reuters' requests for comment.
Norway's comments come at a time in the country is seeking to stamp out vulnerabilities in its telecoms networks. The company has been blocked in the US since 2012 over fears that its equipment is a security risk, and a year ago Australia, New Zealand and Japan instituted their own bans against using Huawei. Orange told the AP it did not know if the suspicions against its employee were related to his work at Orange or elsewhere. Meng was released on bail four weeks ago and is living under restrictions in her million-dollar Vancouver home.