| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 789.53 | USD | 20251025 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 986.92 | USD | 20251024 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 916.42 | USD | 20251024 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1240.69 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1142.0 | USD | 20251024 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 958.72 | USD | 20251024 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 986.92 | USD | 20251024 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1113.81 | USD | 20251024 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 916.42 | USD | 20251024 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 817.73 | USD | 20251024 |