| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 791.36 | USD | 20251208 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 876.15 | USD | 20251208 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 791.36 | USD | 20251208 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 720.71 | USD | 20251208 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 720.71 | USD | 20251208 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 756.03 | USD | 20251208 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 777.23 | USD | 20251208 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 777.23 | USD | 20251208 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 720.71 | USD | 20251208 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 720.71 | USD | 20251208 |