1 results found. Showing results from 1 to 1. Wholesaler, Distributor, Exporter and Seller of: potassium carbonate, sodium hydrogen sulfide, potassium hydroxide, sodium thiosulfate pentahydrate, copper sulphate, copper powder, sodium sulfide http://www.tradeholding.net/default.cgi/action/viewcompanies/companyid/1142600/ |