| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1638.67 | USD | 20251128 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1130.12 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1313.76 | USD | 20251128 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1709.55 | USD | 20251127 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1638.9 | USD | 20251127 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1059.64 | USD | 20251127 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.49 | USD | 20251127 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1568.26 | USD | 20251127 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1568.26 | USD | 20251127 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1638.9 | USD | 20251127 |