| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 726.66 | USD | 20251119 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 733.72 | USD | 20251119 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.6 | USD | 20251119 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.6 | USD | 20251119 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 776.05 | USD | 20251119 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 691.39 | USD | 20251119 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 705.5 | USD | 20251119 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 726.66 | USD | 20251119 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.27 | USD | 20251119 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 987.7 | USD | 20251119 |