| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 915.12 | USD | 20250908 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1098.14 | USD | 20250908 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 971.43 | USD | 20250908 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 971.43 | USD | 20250908 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.96 | USD | 20250907 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.96 | USD | 20250907 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1097.6 | USD | 20250906 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.96 | USD | 20250906 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.96 | USD | 20250906 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 914.67 | USD | 20250906 |