- Amani International Ltd
- Sodium Hexametaphosphate, Oxalic Acid, Trisodium Phosphate, Sodium Sulfite, Sodium Metabisulphite,Organic Acid,Inorganic Salt.
- Address:Carnarvon Road, Tst, Kowloon, Hong Kong.
- GUO XIN HENG YE T&D LIMITED
- Sodium Carbonate, Sodium Sulfate, Sodium Sulfide, Sodium Sulfite, Sodium Nitrate, Sodium Nitrite, Sodium Hydroxide, Potassium Hydroxide, Potassium Carbonate, Barium Carbonate, Ammonium Chloride.
- Address:MWH2281 RM 1007 10 / F HO KING COMM CTR 2-16 FA YUEN ST MONGKOK KL
1