| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 903.36 | USD | 20251124 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1016.27 | USD | 20251124 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1072.31 | USD | 20251123 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 959.44 | USD | 20251123 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 917.11 | USD | 20251123 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 987.65 | USD | 20251123 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 860.67 | USD | 20251123 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1100.53 | USD | 20251123 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 917.11 | USD | 20251122 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1100.53 | USD | 20251122 |