World Mastery Technology World Mastery Technology (威宇科技有限公司) is a manufacturer of printed circuit boards (PCBs). | Sierra Electrotek Sierra Electrotek is a company that specializes in the fabrication of printed circuit boards (PCBs). | |||
Founding Date | Founding Date 1995 | Founding Date 1968 | Founding Date 2002 | Founding Date 1979 |
Type | Type Subsidiary | Type Subsidiary | Type Private | Type Private |
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Locations | Locations Hong Kong, HK HQ | Locations Oak Creek, US HQ | Locations San Jose, US HQ Nashua, US San Jose, US | Locations Kenner, US HQ |
Employees | Employees 600 | Employees 824% decrease | Employees 1201% decrease | Employees 15 |