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    998 fire coal additive
    Tin(II) chloride (dihydrate)
    Tin(IV) chloride (pentahydrate)
    Tin chloride (tetrahydrate)
    Tin tetrachoride (anhydrate)
    Trichloroacetic acid
    4-Nitrobenzoic acid
    5-chloro-2-nitroaniline

      1. All-round quality control as per GMP standard.
      2. Periodic maintenance of production equipments.
      3. Strict control on each procedure of the whole production process; random sampling of products.

     
     
     
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