| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 916.15 | USD | 20251018 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 887.96 | USD | 20251018 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 845.68 | USD | 20251018 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 789.3 | USD | 20251018 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 845.68 | USD | 20251018 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 845.68 | USD | 20251018 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 817.49 | USD | 20251018 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 916.15 | USD | 20251018 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 1000.72 | USD | 20251018 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 944.34 | USD | 20251018 |