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We are based in Hebei, China, start from 2020,sell to North America(50.00%),South America(50.00%). There are total about 11-50 people in our office.
Description
ITEM TESTED STANDARD RESULT
Purity(Na2S2O5) 96.5% min 97%
Iron(Fe) 0.005% min <0.003%
Aresentic(As) 1 ppm max <1 ppm
Water insoluble 0.05% max 0.01%
PH value 4.0-4.6 4.4
packing & Delivery
Product packaging
We have cooperated with experienced shipping forwarders for many years, they arrange the shipment. No matter by express, by air or by sea, we will track the course of the goods all the way, to make sure goods arrive at you on time and in good condition.
