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Weifang,Shandong,China China
Property: white or light yellow crystal powder, a strong smell of sulfur dioxide, relative density is 1.4, easy to dissolve in water and glycerin, wat
Property:white gravel or powder crystal, relative density is 1.561, less to dissolve in water and its water solution has alkaline reaction; it is hard
Personne àcontacter Cherry Wu
Nom de la société Weifang, Shandong
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