| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 774.05 | USD | 20250930 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 703.68 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 774.05 | USD | 20250930 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.45 | USD | 20250930 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 844.42 | USD | 20250930 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 802.2 | USD | 20250930 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 802.2 | USD | 20250930 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 738.86 | USD | 20250930 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 717.75 | USD | 20250930 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 717.75 | USD | 20250930 |