US intelligence agencies allege Huawei Technologies Cos Ltd is linked to China's government and that its equipment could contain "backdoors" for use by government spies.
The Chinese national is a sales director while the Polish is a former high-ranking official at Poland's internal security agency.
A LinkedIn profile for a man named Stanislaw Wang appears to match details of the man described by Polish television.
The Polish state news agency, PAP, said the man had also held top cybersecurity positions at the Interior Ministry and the Office of Electronic Communications, a regulatory body that oversees cyber and other telecommunications issues. The resume said he received a bachelor's degree in 2004 from the Beijing University of Foreign Studies. He was sacked in 2011 amid a major corruption scandal.
The developments come after Huawei CFO Meng Wanzhouwas arrested in Vancouver, Canada in early December 2018 at the request of United States law enforcement officials.
Britain's largest mobile provider BT said last month it would remove Huawei equipment from its cellular network after the foreign intelligence service called the company a security risk.
NPR reports that this isn't a case of industrial espionage, either.
The arrests came amid growing concerns shared by European Union institutions and governments across the world about the activities of Huawei on their territory. Chinese authorities then detained two Canadians - a former diplomat and a business consultant - on suspicion of endangering national security.
Huawei said in a statement it was aware of the situation but had no immediate comment. The company said it abides by applicable laws wherever it operates and expects employees to do the same.
Norway's comments come at a time in the country is seeking to stamp out vulnerabilities in its telecoms networks.
Poland is Huawei's headquarters for Central and Eastern Europe and the Nordic region.
Poland has arrested a sales director for Chinese telecoms giant Huawei over allegations of working with Beijing's intelligence services. The company said it did not know if the investigation was linked to the employee's professional work, and that it would continue to co-operate with the authorities.
Canadian authorities in December also arrested Huawei finance chief Meng Wanzhou at the behest of US authorities as part of an investigation into alleged violations of USA trade sanctions, raising tensions with China at a time when Washington and Beijing are engaged in a broader trade war.
The government has evidence that the two suspects "cooperated with the Chinese services" as they conducted espionage against Poland, according to Stanisław Żaryn, spokesman for the special services branch, in a tweet about the case. She was granted bail but remains in Vancouver under 24-hour surveillance.