Tili ndi gulu lathu logulitsa zinthu zonse, gulu la okonza zinthu, ogwira ntchito zaukadaulo, gulu la QC ndi gulu la phukusi. Tsopano tili ndi njira zabwino kwambiri zowongolera njira iliyonse. Komanso, antchito athu onse ali ndi luso losindikiza zinthu zamtengo wapatali za Yellow Sodium Sulfide Inorganic Chemicals Suppliers, Kampani yathu imalimbikitsa kupanga zinthu zatsopano kuti ipititse patsogolo chitukuko chokhazikika cha kampani, ndikutipangitsa kukhala ogulitsa apamwamba kwambiri m'dziko lathu.
Tili ndi gulu lathu logulitsa zinthu zonse, gulu lokonza zinthu, ogwira ntchito zaukadaulo, gulu la QC ndi gulu lopereka zinthu. Tsopano tili ndi njira zabwino kwambiri zowongolera njira iliyonse. Komanso, antchito athu onse ndi odziwa bwino ntchito yosindikiza. Cholinga chathu ndi kukhutira ndi makasitomala. Tikuyembekezera kugwirizana nanu ndikupereka ntchito zathu zabwino kwambiri zomwe zikugwirizana ndi zosowa zanu. Tikukulandirani mwansangala kuti mutilankhule nafe ndikuonetsetsa kuti muli omasuka kuti mutilankhule nafe. Yang'anani malo athu owonetsera zinthu pa intaneti kuti muwone zomwe tingakuchitireni. Kenako titumizireni imelo kapena mafunso anu lero.













Mukagula Sodium Sulfide, tsimikizirani ma code okhazikika. Giredi ya mafakitale imatsatira GB/T10500-2009, pomwe giredi yapamwamba imakhala ndi ≥60% sodium sulfide. Ma reagents oyera a mankhwala amatsatira HG/T3-905-76, ndi zinthu zoyesera kuphatikizapo arsenic ndi sodium carbonate. Pazinthu zomwe zatumizidwa kunja, onani Gawo 14 la MSDS kuti mudziwe zambiri za mayendedwe, chifukwa EU ikufuna khodi ya zinthu zoopsa ya UN1849 pa phukusi.