Huawei would have no choice but to hand over network data to the Chinese government if Beijing asked for it, because of espionage and national security laws in the country, experts told CNBC. Major governments including the United States, Japan and Australia have blocked the Chinese telecommunications equipment maker from providing hardware for next-generation mobile networks known as 5G. The U.S. has said Huawei equipment could provide backdoors for the Chinese government into American networks — a claim the company has repeatedly denied.