BEIJING: Huawei Technologies will spend 4 billion yuan ($632.52 million) to build a new headquarters and R&D center for its digital power unit, according to local media reports, as the Chinese telecoms giant diversifies amid US pressure. Huawei Digital Power signed an agreement on Thursday with the local government of the southern metropolis of Shenzhen, where its parent is headquartered, for the project, the 21st Century Herald newspaper reported. The signing was part of a larger event held by Shenzhen to mark the launch of new construction projects in the city, it said. The 21st Century Herald said that Huawei’s…