| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 452.71 | USD | 20251211 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 353.68 | USD | 20251211 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 325.38 | USD | 20251211 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 495.15 | USD | 20251211 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 495.15 | USD | 20251211 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 452.71 | USD | 20251211 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 438.56 | USD | 20251211 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 438.56 | USD | 20251211 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 438.56 | USD | 20251211 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 438.56 | USD | 20251211 |