Is it legal for an outsourcing company to call a studio?

Legal. Registration of outsourcing companies is a very common market behavior, and it is legal to call the studio, which does not violate the law. Outsourcing company refers to the enterprise outsourcing those non-core departments or businesses to corresponding professional companies in the process of implementing the management system, which can save a lot of costs and is conducive to efficient management, including domestic outsourcing and offshore outsourcing.