| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 |
| China national standards | MT | 970.67 | USD | 20250918 | |
| China national standards | MT | 970.67 | USD | 20250918 | |
| China national standards | MT | 970.67 | USD | 20250918 | |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 886.26 | USD | 20250918 |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 1181.68 | USD | 20250918 |
| China national standards | MT | 970.67 | USD | 20250918 | |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 886.26 | USD | 20250918 |