Sodium hydrosulfite caah aa tlakmi hri
sodium hydrosulfite cu thilpuan phunphun caah aa tlak, cucaah a min cu “Rongalite” tiah auh a si. A lin tukmi rangternak asiloah thurhnawmhnak hlohnak caah hman tikah, puan hri hna cu rawhralnak um loin a lin tukmi kha a tuar khawh a hau.
Fehternak kongah, sodium hydrosulfite nih ZDHC Level 3 fehternak lawng si loin, ISO 9001, 14001, le 45001 tibantuk system fehternak tampi zong a tei, a tlingmi tthatnak, pawngkam kilvennak le himnak phunglam a hmuh.