电脑公司硬件销售管理系统是一个很好的一个VB管理系统，可适合正在学习的同学们的参考 -computer hardware sales management system is a very good one VB management system, is suitable for the students who are learning the reference

企业短信群发管理系统主要利用硬件短信猫发送短信，并且可以查看SIM卡中收到的短信-Enterprise group messaging management system mainly USES the hardware SMS cat send text messages, receive text messages and can view the SIM card