Cun thilri zohkhenhnak le QC program tthanchoternak ah kan lungthin kan pek chih i, Top Suppliers caah a fakmi zuamnak a ngeimi company sin in hlawknak ttha kan hmuh khawh nakhnga kan i zuam, Hmailei pehtlaihnak le hlawhtlinnak caah kan sinah a kan auh khawhnak ding caah nunphung kip in a thar le a hlunmi thil cawtu hna kha kan don hna!
Kan company nih “Quality First, Sustainable Development” timi phunglam kha a dirpi i “A hmaanmi chawlehnak, pakhat le pakhat ṭhatnak” kha kan ṭhancho khawhmi tinhmi ah a lak. Member vialte nih lungtak tein customers hlun le thar vialte nan bawmhnak cungah kan i lawm. Fakpi in rian kan ttuan peng lai i a sang bikmi thilri le riantuannak kan in pek hna lai.













Sodium Sulfide (Na2S) Sodium Sulphate chuah ning
Na₂SO₄ cu amah tein a cawhnak seh hmangin hopper chungah luhter a si i cu hnuah mei kanghnak khaan chungah luhter a si, cuka ahcun Sodium Sulphate cu lungmeihol gas hmangin an puah i an khangh. Lungthawhnak 884°C a phak tikah, sodium sulfate cu ti bantuk ah a cang. A cawhmi Na₂SO₄ cu chemical lei in a fek lo, cun SO₄2⁻ ions cu fawi tein an rawk. Phosphorous aa telmi lungmeihol gas chungin carbon monoxide hmangin chemical thlennak thlennak a cang, a tanglei bantuk in:
Na2SO4 + 4CO → Na2S + 4CO2
Meiphu chung i meikhu cu a sen in a sen ah aa thlen tikah, CO nih a thlenmi thil cu a dih. Hi hmun leng ahcun, CO cu lumnak karhter chinnak caah meihol lawng a si. Lungthawhnak 1100°C a phak tikah, anthracite tlawmpal an cawh. Reaction donghnak cu meiphu chung ah a senmi meikhu a langhnak nih a langhter. Chemical thlennak cu a tanglei bantuk in a si:
Na2SO4 + 2C → Na2S + 2CO2
Sodium Sulphate.