The Commerce Department’s decision to allow U.S. companies to continue to sell products to Chinese telecom giant Huawei for another 90 days was “politically motivated” and not based on national security, the Shenzhen-based company said, according to Chinese state media reports. Commerce Secretary Wilbur Ross announced on Monday that it would extend for 90 days a temporary general license for U.S. exporters to sell to Huawei. Commerce placed Huawei on its Entity List in May citing national security concerns,...