| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1269.75 | USD | 20251102 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1269.75 | USD | 20251102 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1128.67 | USD | 20251102 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 874.72 | USD | 20251101 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1100.45 | USD | 20251101 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1100.45 | USD | 20251101 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1100.45 | USD | 20251101 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1128.67 | USD | 20251101 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1128.67 | USD | 20251101 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1128.67 | USD | 20251101 |