... 4. OEM is ok 5. use in GPS systems Item nameshielding casesFactory SpaceOver 7000 square metersPunchesOver 130 setsExperienceOver ... assemblyCertificateISO9001:2008. RoHSApplicationshunts, meter, temperature controller, mutual inductor, relay, sound ,car GPS ,Car chargers, etc.Coatingnickel, zinc, Chrome, gold, tin, silver, ... varies kinds of customized metal shielding cases for car GPS systems