| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 988.76 | USD | 20251126 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 918.13 | USD | 20251126 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 988.76 | USD | 20251126 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1059.38 | USD | 20251126 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 819.26 | USD | 20251126 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1144.13 | USD | 20251126 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 960.51 | USD | 20251126 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 861.63 | USD | 20251126 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 847.51 | USD | 20251126 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1243.01 | USD | 20251126 |