| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1610.26 | USD | 20251126 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1130.01 | USD | 20251126 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1271.26 | USD | 20251126 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1610.26 | USD | 20251126 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1130.01 | USD | 20251126 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1638.51 | USD | 20251126 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1638.51 | USD | 20251126 |
| Dongying Hebang Chemical Co., Ltd. | China national standards | MT | 1356.01 | USD | 20251126 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1567.89 | USD | 20251126 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.01 | USD | 20251126 |