| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1584.47 | USD | 20251211 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1570.33 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1513.74 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1513.74 | USD | 20251211 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1570.33 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1513.74 | USD | 20251211 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1697.65 | USD | 20251211 |
| Dongying Hebang Chemical Co., Ltd. | China national standards | MT | 1358.12 | USD | 20251211 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1315.68 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1513.74 | USD | 20251211 |