| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1142.16 | USD | 20251023 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 916.55 | USD | 20251023 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 944.27 | USD | 20251022 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 817.43 | USD | 20251022 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 817.43 | USD | 20251022 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 887.9 | USD | 20251022 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 817.43 | USD | 20251022 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 789.24 | USD | 20251022 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 916.09 | USD | 20251022 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 789.24 | USD | 20251022 |