| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 848.01 | USD | 20251203 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1060.01 | USD | 20251203 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1639.48 | USD | 20251203 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1625.35 | USD | 20251203 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1568.82 | USD | 20251203 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1568.82 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1272.01 | USD | 20251203 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1173.08 | USD | 20251203 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.68 | USD | 20251203 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1151.88 | USD | 20251203 |