Tel：
+86 10 64640086
中文/
EN
| Item | Standard |
| NaHCO3 | 99 |
| As | 0.0001 max |
| Pb | 0.0005% max |
| L.O.I. | 0.2% max |
| PH | 8.6 |
联系电话：+86 10 64640086
传真：86-10-84552201 84512245
Mail：grc@grand-resources.com.cn
地址：Beijing Office Rm.1810 Golden Land Building.No.32 Liang Ma Qiao Road. Chaoyang District,Beijing 100016 China
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