| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 721.02 | USD | 20251204 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 721.02 | USD | 20251204 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 777.57 | USD | 20251204 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 777.57 | USD | 20251204 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 876.54 | USD | 20251204 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 777.57 | USD | 20251204 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 791.71 | USD | 20251204 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 721.02 | USD | 20251204 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 721.02 | USD | 20251204 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 721.02 | USD | 20251204 |