| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1174.36 | USD | 20251124 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1143.31 | USD | 20251124 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1580.87 | USD | 20251124 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1594.99 | USD | 20251124 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1594.99 | USD | 20251124 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1609.1 | USD | 20251124 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1594.99 | USD | 20251124 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1693.79 | USD | 20251124 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1355.03 | USD | 20251124 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1566.76 | USD | 20251124 |