Our series sulfide and hydrosulfide items exported to countries all over the word. Our sinongolia group clients around brazil (ore flotation/dressing); africa (raw gold mining/zinc ore dressing);indo-pak(leather tannery);australia (sulfide ore flotation);thailand and indonesia(rubber polymers) etc. Products feature: sodium sulfide 52%-60% na2s;cas no.1313-82-2, iron:5ppm-1000ppm;un no.1849. Sodium hydrosulfide 70% flakes; cas no.16721-80-5. Our tenet is "quality first, credit 'standing paramountcy", welcome to cooperate with us! 22mt/fcl
