IFANPlus PPR CONCEALED BALL VALVE yog qhov ua tau zoo, txhim khu kev qha valve core tsim tshwj xeeb rau cov kav dej. Cov ntaub ntawv qib siab thiab cov txheej txheem yog siv los ua kom muaj kev ruaj khov thiab ua haujlwm zoo dua.
Nyem qhov no Tiv tauj peb rau Cov Khoom Muag Khoom thiab Smaples.
