Txais tos kom yuav tus nqi qis plug valve ua nyob rau hauv Suav teb los yog sim cov kev pabcuam customized nrog Naco Fluid Equipment, uas tau tsom mus rau daim teb no txij li xyoo 2008. Peb tau nruab nrog lub Hoobkas tshaj lij thiab tsim khoom uas tuaj yeem muab koj tus nqi pheej yig. Tam sim no, ua kev txiav txim kom tau txais cov qauv dawb ntawm plug valve nrog peb.