Ụlọ ọrụ a na-agbaso usoro ọrụ ahụ "njikwa sayensị, ịdị mma na arụmọrụ kachasị elu, onye zụrụ ihe kachasị elu maka Ọkachamara China White Powder Na2o4s2 90%88%85% Sodium Hydrosulfite, Nwere ọrụ pụrụ iche na ezigbo mma, yana azụmaahịa azụmaahịa mba ofesi nke na-egosi ịdị irè na asọmpi, nke ndị zụrụ ya ga-enwe ntụkwasị obi ma nabata ma mee ka ndị ọrụ ya nwee obi ụtọ."
Ụlọ ọrụ ahụ na-agbaso echiche usoro "njikwa sayensị, ịdị mma dị elu na arụmọrụ kacha mkpa, onye zụrụ ihe kachasị elu makaSodium Hydrosulfite na Sodium Hydrosulfite nke China 88% maka ákwàUgbu a, anyị nwere ahụmịhe afọ 8 n'ihe gbasara mmepụta na ahụmịhe afọ 5 n'azụmahịa na ndị ahịa n'ụwa niile. Ndị ahịa anyị na-ekesakarị na North America, Africa na Eastern Europe. Anyị nwere ike ịnye ngwọta dị elu na ọnụ ahịa dị oke ọnụ.
Ụlọ ọrụ a na-agbaso usoro ọrụ ahụ "njikwa sayensị, ịdị mma na arụmọrụ kachasị elu, onye zụrụ ihe kachasị elu maka Ọkachamara China White Powder Na2o4s2 90%88%85% Sodium Hydrosulfite, Nwere ọrụ pụrụ iche na ezigbo mma, yana azụmaahịa azụmaahịa mba ofesi nke na-egosi ịdị irè na asọmpi, nke ndị zụrụ ya ga-enwe ntụkwasị obi ma nabata ma mee ka ndị ọrụ ya nwee obi ụtọ."
Ndị ọkachamara na ChinaSodium Hydrosulfite na Sodium Hydrosulfite nke China 88% maka ákwàUgbu a, anyị nwere ahụmịhe afọ 8 n'ihe gbasara mmepụta na ahụmịhe afọ 5 n'azụmahịa na ndị ahịa n'ụwa niile. Ndị ahịa anyị na-ekesakarị na North America, Africa na Eastern Europe. Anyị nwere ike ịnye ngwọta dị elu na ọnụ ahịa dị oke ọnụ.