| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1584.47 | USD | 20251211 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1697.65 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1513.74 | USD | 20251211 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1177.04 | USD | 20251211 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1152.99 | USD | 20251211 |
| Weifang Yixin Chemical Co., Ltd. | China national standards | MT | 1733.02 | USD | 20251211 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1570.33 | USD | 20251211 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1556.18 | USD | 20251211 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1174.21 | USD | 20251211 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1570.33 | USD | 20251211 |