JS Opunthira Systems ali okhazikika pansi grinders, polishers, burnishers, scrubbers, vacuums ndi diamondi kwa zaka 15. fakitale yathu amapeza ku Shanghai & Suzhou, China ndi akatswiri R & D, luso thandizo, kupanga ndi malonda timu. utumiki wathu ndi mankhwala ndi waife makasitomala onse pa world.JS grinders zilipo zamitundu yosiyanasiyana modes ntchito ndi machitidwe lotengeka malingana demands.JS ako opunthira Systems ndi uthunthu waukulu wa grinders pansi, kuphimba zonse kuyambira wamng'ono m'mphepete chopukusira S320 kuti chimphona wokwera chopukusira D1200, modes ntchito zikupezeka kuyenda kumbuyo, wokwera ndi mphamvu ya kutali, nathawitsidwa kachitidwe mu zida ndi lamba.