| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1059.41 | USD | 20251202 |
| Dongying Hebang Chemical Co., Ltd. | China national standards | MT | 1356.05 | USD | 20251202 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1822.19 | USD | 20251202 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1610.31 | USD | 20251202 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1695.06 | USD | 20251202 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1695.06 | USD | 20251202 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1624.43 | USD | 20251202 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.24 | USD | 20251202 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1567.93 | USD | 20251202 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1638.56 | USD | 20251202 |