| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 889.88 | USD | 20251126 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1101.76 | USD | 20251126 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 875.76 | USD | 20251126 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 903.62 | USD | 20251125 |
| China national standards | MT | 1030.69 | USD | 20251125 | |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 974.22 | USD | 20251125 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 974.22 | USD | 20251125 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 974.22 | USD | 20251125 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1270.72 | USD | 20251125 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 945.98 | USD | 20251125 |