| Vendor | Spec | Unit | Price | Currency | Date |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 1184.3 | USD | 20251025 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 972.82 | USD | 20251025 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 972.82 | USD | 20251025 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 972.82 | USD | 20251025 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 972.82 | USD | 20251025 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 874.13 | USD | 20251025 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 888.22 | USD | 20251025 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 888.22 | USD | 20251025 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 972.82 | USD | 20251025 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 972.82 | USD | 20251025 |