| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1752.05 | USD | 20250807 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1457.71 | USD | 20250807 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1471.72 | USD | 20250807 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1456.4 | USD | 20250806 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1470.4 | USD | 20250806 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1471.29 | USD | 20250805 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1470.69 | USD | 20250804 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1468.61 | USD | 20250802 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1468.61 | USD | 20250801 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1468.65 | USD | 20250731 |