| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 915.84 | USD | 20251020 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1761.83 | USD | 20251019 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1578.6 | USD | 20251019 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1691.36 | USD | 20251018 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1691.36 | USD | 20251018 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1860.49 | USD | 20251018 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1691.36 | USD | 20251018 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1691.36 | USD | 20251018 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 845.68 | USD | 20251018 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1198.04 | USD | 20251018 |