But tornado-prone stretches of the U.S., which include NorthTexas and Kansas, should consider requiring the so-called safe rooms at new schools, he said.
Huawei also operates a string of offices in the U.S., including North American headquarters in Plano, Texas and 15 other outposts in cities including Atlanta, Chicago, Philadelphia, Seattle and Washington, DC.
Recent discoveries of abundant natural gas in North Dakota, Texas, Wyoming, Colorado and other states have boosted U.S. gas reserves and their production for commercial use to 2.53 trillion cubic feet, according to the Energy Information Administration.