16721-80-5 70 70% Nahs Solid Flake Sodium Hydrosulfide Price
2025-04-13
introduction 4100
F0007001
16721-80-5
Nahs
240-778-0
Flake
ISO
50%~80%
Sodium Hydrosulfide
Industrial Grade
SGS
in Plastic Woven Bag 25kg Net, Lined with PE Bag
70% Min.
China
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