| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 791.47 | USD | 20251203 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 791.47 | USD | 20251203 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.34 | USD | 20251203 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.34 | USD | 20251203 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 876.28 | USD | 20251203 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 756.14 | USD | 20251203 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 819.74 | USD | 20251203 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 848.01 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.21 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.21 | USD | 20251203 |