The government plans to revise internal procurement rules to exclude products made by Huawei and ZTE as early as Monday, the mass circulation Yomiuri Shimbun reported. Jiji Press agency also reported the expected move.
The ban comes after a US request to allies to avoid products made by the two companies over fears they contain viruses used for cyberattacks, the Yomiuri said, citing unnamed government sources.
Domestic products that use parts made by the two Chinese firms will also be excluded from government use, it said.
The Yomiuri said the government was not expected to name the companies directly, so as to avoid angering China.
"Do not do anything that would undermine mutual trust and cooperation." The reports come after the arrest of a top Huawei executive in Canada infuriated China, sending global markets wobbling on fears of intensifying tensions between Beijing and Washington.
The detention of Meng Wanzhou, Huawei's chief financial officer, comes after US authorities reportedly launched an investigation into suspected Iran sanctions violations by Huawei.
The firm was already under scrutiny by US intelligence officials who have deemed the company a national security threat.
Huawei's affordable smartphones have made strong inroads in the developing world, but the company has faced repeated setbacks in major Western economies over security concerns.
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