| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1806.07 | USD | 20251119 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1481.54 | USD | 20251119 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1763.74 | USD | 20251119 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1453.32 | USD | 20251119 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2045.94 | USD | 20251119 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1636.75 | USD | 20251119 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1947.17 | USD | 20251119 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2045.94 | USD | 20251119 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1453.65 | USD | 20251118 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2046.4 | USD | 20251118 |