EN 
CN
ES
PT
SV
DE
TR
FR
Joiwo kuphulika kwa foni pafakitole
NTHAWI: 2019-07-12 MITU YA NKHANI: 34
Joiwo installed its explosion proof telephones with loud-speaker in chemical plant of polypropylene and propylene. People can hear clearly of the sound from telephone even there is loud noise in the plant as the noise cancelling microphone and reliable operation of loud-speaking operation.
