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发布时间： 5-5 浏览次数：56 1. Caustic Soda-flake-99% purity 2. Soda Ash light--99.2% purity 3. Sodium Sulphate Anhydrs. ph-8-9,9-10 4. Hydrogen Peroxide--50% conctr. 5. Pumic stone-2-3cm, 3-5 cm 6. Paraffin wax 7. Starch 8. Glacial Acetic acid 9. other org./ inorg. basic chemicals. Mr.Quazi Gholam Hossain, CEO Ridan International Co. 58/M, West Rajabazar Dhaka-1215, Bangladesh. Tel: +88-02-9142410 Mob: +88-0193-7651907 Email: ridanint@yahoo.com qghossain@yahoo.com
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