Txhua chav tsev tau raug kuaj los ntawm cov nplaim nqus dej, uas muaj cov yam ntxwv ntawm kev pom kev ua haujlwm siab, kev ua haujlwm me me thiab cov plua plav loj.HEPA lim tuaj yeem siv dav hauv cov khoom siv huab cua kawg ntawm kev ua kom tsis muaj plua plav purification Rhiav hauv optical electronics, LCD kua siv lead ua kev tsim khoom, biomedicine, precision instruments, dej haus thiab zaub mov, PCB Printing thiab lwm yam lag luam.HEPA thiab ultra-hepa lim yog siv thaum kawg ntawm chav huv thiab tuaj yeem muab faib ua HEPA nrog muab faib, HEPA tsis muaj kev faib, huab cua loj HEPA lim, ultra HEPA lim, thiab lwm yam.