We began activity in 1996r. are the manufacture of devices protecting to cars. Car alarms professional class and certifications approval possess European E20. as one first factory Poland applying our products changing dynamic code 64 bit MICROCHIP KEELOQ ...

Guangzhou Costok Electronic Technology Co., Ltd is incorporates science, industry and trade into an organic entity. It a specialized manufacturer that researches, makes sales the car alarm systems.Costok has its own great team of highly skillful ...