| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 923.45 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 920.63 | USD | 20251021 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 930.49 | USD | 20251021 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 930.49 | USD | 20251021 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 775.41 | USD | 20251021 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 902.3 | USD | 20251021 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 775.41 | USD | 20251021 |