| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1130.01 | USD | 20251126 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1059.38 | USD | 20251126 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1638.51 | USD | 20251126 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1610.26 | USD | 20251126 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1567.89 | USD | 20251126 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1059.38 | USD | 20251126 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1144.13 | USD | 20251126 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1695.01 | USD | 20251126 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1737.39 | USD | 20251126 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1596.14 | USD | 20251126 |