SGK international electronics co, ltd was founded in ***** is a professional manufacturer which mainly devotes to the development, production and distribution of car audio&video GPS system home products have gaind approvals CE, CB , ROHS, SASO so on. High standard high quality our invariably ...

Since its founding in 2005, Chanson has developed an impressive array of technology fingerprint identification, GPS, GPRS/GSM, and data communications. Commitment to R&D, our creative engineers, experienced production marketing teams are strengths Chanson. In 2006, entered into a ...