| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 965.12 | USD | 20250731 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 965.12 | USD | 20250731 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 965.12 | USD | 20250731 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 937.14 | USD | 20250731 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 937.84 | USD | 20250730 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 951.83 | USD | 20250730 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 950.9 | USD | 20250729 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 936.92 | USD | 20250729 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 937.5 | USD | 20250728 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 951.49 | USD | 20250728 |