Yulong Communication and Hua Qin Communication. After the expansion of Huawei's scale, a large number of enterprises have gathered to outsource the electronic information industry chain. Yulong Communication and Hua Qin Communication have outsourced intelligent terminal products, forming a beneficial industrial supplement to Huawei's electronic information industry cluster in Songshan Lake, Dongguan. Outsourcing means that an enterprise delivers its non-core business to an external enterprise for operation and production in an employment relationship.