We are yongqing based in Jinan , China. We are member of Tradekey.com since May, 2010. Our business is related to Industrial Machinery industry and we specifically deal in sodium hydrosulfide. Please find our product details below:Sell sodium hydrosulfideNash 70%Na2s<2%Nash 70%Na2s<2%Nash 70%Na2s<2%Nash 70%Na2s<2%Nash 70%Na2s<2%Nash 70%Na2s<2%Nash 70%Na2s<2%Thank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.