JEL-300 series submersible qib transmitter yog ib qho ruaj khov, txhim khu kev qha, thiab tag nrho ntim submersible qib transmitter.JEL-300 series qib transmitter los ntawm qhov loj me thiab yog lub teeb yuag thiab ruaj khov.Nws tuaj yeem siv los ntsuas cov kua dej rau ntau daim ntawv thov hauv metallurgy, mining, tshuaj, dej, thiab kev tswj cov khib nyiab.