https://www.reuters.com/article/us-oi-m-a-huawei-tech/huawei-to-join-forces-with-china-mobile-to-bid-for-brazils-oi-report-idUSKBN1W60EH >Chinese telecoms equipment maker Huawei Technologies Co is joining forces with China Mobile to potentially enter a dispute to buy struggling Brazilian carrier Oi SA , in an attempt to boost its footprint in Latin America's largest market, O Globo news website reported on Saturday.