| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | 90% | MT | 508.29 | USD | 20251125 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 451.81 | USD | 20251125 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 352.98 | USD | 20251125 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 437.69 | USD | 20251125 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 395.34 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.57 | USD | 20251125 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 437.69 | USD | 20251125 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 564.76 | USD | 20251125 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.53 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.57 | USD | 20251125 |