| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1696.14 | USD | 20251207 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1583.06 | USD | 20251207 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.39 | USD | 20251207 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.39 | USD | 20251207 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1639.6 | USD | 20251207 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1639.6 | USD | 20251207 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1060.09 | USD | 20251206 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 848.07 | USD | 20251206 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.39 | USD | 20251206 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.39 | USD | 20251206 |