| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Guoke | Industrial Grade | MT | 307.26 | USD | 20251017 |
| Shanghai Guoke | Food Grade | MT | 331.22 | USD | 20251017 |
| Jinan Kunfeng Chem | Food Grade | MT | 281.89 | USD | 20251017 |
| Chizhou Xinyu Chem | Industrial Grade | MT | 253.7 | USD | 20251017 |
| Baozhen Shandong Chem | Food Grade | MT | 267.8 | USD | 20251017 |
| Shandong Fusheng | Industrial Grade | MT | 281.89 | USD | 20251017 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.08 | USD | 20251017 |
| Zhangzhou Sanan Chem | China national standards | MT | 310.0 | USD | 20251016 |
| Shandong Longhui Chem | Food Grade | MT | 302.95 | USD | 20251016 |
| Shandong Fusheng | Industrial Grade | MT | 281.82 | USD | 20251016 |