These products are mainly introducing our company Main product list,welcome to learn more and send inquiry us: Email: root@grcard.cn , Whatsapp:+86-18002561761
1. We are GSM card manufacturer for 10 years, 2. Our GSM card can be writen endurance 100.000 cycles. 3. We have our own card factory, not trade company, so we have more competitive price.
IPv6 network supported
