EMS（电子制造服务）公司在大多业务外包的数据通信（datacom）领域成长空间很大。面对这些公司，EMS公司除了“纯”制造之外，还有许多创收的工作可做。那些审时度势、敢为人先的EMS公司已在提供制造前和制造后的服务，包括测试、设计以及保障等工作。在传统通信领域，EMS提供 EMS companies have plenty of room to grow in the datacom business, where most businesses outsource. In the face of these companies, EMS companies in addition to “pure” manufacturing, there are many revenue-generating jobs to do. EMS companies, which evaluate the situation and take the lead, are already providing pre- and post-manufacturing services including testing, design and support. In the traditional communications, EMS provides