Donwload the Elecrow PCBA Service Introduction in .pdf.    
Many makers have experienced that worried about assembling the new PCBA board, or bothering in finding a reliable collaborator in the prototyping or small batch of production.  If you do, maybe you can have a try of Elecrow PCBA service, which supply professional and reliable PCB assembly service for you.    

With this service, you do not need to suffer from soldering these very tiny pins of IC especially SMT, BGA, etc. Besides, Elecrow provides some other service includes Fusion PCB,

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