| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.3 | USD | 20251119 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 324.53 | USD | 20251119 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 395.17 | USD | 20251118 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 395.17 | USD | 20251118 |
| Jinan Jinrihe Chemical Co., Ltd. | 90% | MT | 409.28 | USD | 20251118 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.39 | USD | 20251118 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.39 | USD | 20251118 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 423.39 | USD | 20251118 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.39 | USD | 20251118 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1016.15 | USD | 20251118 |