... production capacity 4. OEM is ok 5. use in GPS systems Item nameshielding casesFactory SpaceOver 7000 square metersPunchesOver 130 setsExperienceOver ... controller, mutual inductor, relay, sound ,car GPS ,Car chargers, etc.Coatingnickel, zinc, Chrome, gold, tin, silver, screen printing,etc.PackingCartons, honeycomb carton, also ... varies kinds of customized metal shielding cases for car GPS systems