<https://gluditec.com/vi/product/gv-560-van-tra-keo-piston-do-chinh-xac-cao/>
<http://schema.org/description>
"The GV-560 precision piston valve offers a reliable solution for applying consistent dots and stripes of medium to thick fluids like grease and silicone."
<https://gluditec.com/vi/product/gv-560-van-tra-keo-piston-do-chinh-xac-cao/>