| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2049.96 | USD | 20251204 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1951.0 | USD | 20251204 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1456.18 | USD | 20251204 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1484.46 | USD | 20251204 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2049.96 | USD | 20251204 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1809.62 | USD | 20251204 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1639.97 | USD | 20251204 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1555.14 | USD | 20251204 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1767.21 | USD | 20251204 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1554.68 | USD | 20251203 |