| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 741.26 | USD | 20251114 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.35 | USD | 20251113 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 776.12 | USD | 20251113 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 747.9 | USD | 20251113 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 987.79 | USD | 20251113 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 705.57 | USD | 20251113 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 987.79 | USD | 20251113 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 705.57 | USD | 20251113 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 691.46 | USD | 20251113 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 762.01 | USD | 20251113 |