| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 947.85 | USD | 20251211 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 891.27 | USD | 20251211 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 976.15 | USD | 20251211 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 848.82 | USD | 20251211 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 848.82 | USD | 20251211 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 848.82 | USD | 20251211 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 848.82 | USD | 20251211 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 990.3 | USD | 20251211 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 990.3 | USD | 20251211 |
| Panjin Read Chemical Co., Ltd. | China national standards | MT | 807.8 | USD | 20251211 |