![]() CAL-AV Labs CAL-AV Labs (formerly California Avionics Laboratories) is a manufacturer of mobile antennas and mast spring assemblies. | ![]() Rofs Microsystem Rofs Microsystem (诺思(天津)微系统有限责任公司) is a film bulk acoustic resonator (FBAR) manufacturing company. | |
Founding Date | Founding Date 1959 | Founding Date 2011 |
Type | Type Private | Type Private |
Tags | ||
Locations | Locations Tucson, US HQ | Locations Tianjin, CN HQ Shanghai, CN Shen Zhen Shi, CN |
Employees | Employees 4 | Employees 27 |

Rofs Microsystem (诺思(天津)微系统有限责任公司) is a film bulk acoustic resonator (FBAR) manufacturing company.
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