Security is the degree of protection against danger, damage, loss, and so on. Shenzhen Ouxiang Electronics Co., Ltd.,Shenzhen HCC Technology Co., Ltd.,Onick Optics (Wuhan) Co., Ltd.,Shenzhen Dwell Electronics Co., Limited,Onick Optics (Wuhan) Co., Ltd. have been making safety products. It mainly includes Data Card and Memory Card,Storage Card,Flash Card products. You can view to learn more.