<http://thietbisovietnam.com/danh-muc-san-pham/may-phat-hien-kim-loai/>
<http://schema.org/name>
"Máy phát hiện kim loại"
<http://thietbisovietnam.com/san-pham/may-soi-hanh-ly-hikvision-isd-sc6550s-4cvl220vo-std/>