(Bloomberg) -- Huawei Technologies Co., the Chinese wireless equipment maker that spent tens of millions of dollars trying to win over US policymakers only to eventually be blacklisted, has shuttered its in-house lobbying operations in Washington.Most Read from BloombergAmazon’s Twitch to Cut 500 Employees, About 35% of StaffSEC Says FBI Is Investigating Compromise of Agency’s X AccountSEC Authorizes Bitcoin-Spot ETFs in Crypto’s BreakthroughBoeing CEO Fights Back Tears and Admits ‘Our Mistake’