| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 930.49 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 902.3 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 927.68 | USD | 20251021 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1099.68 | USD | 20251021 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 768.36 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 920.63 | USD | 20251021 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 944.59 | USD | 20251021 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 902.3 | USD | 20251021 |