| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 961.01 | USD | 20251201 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1059.94 | USD | 20251201 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 819.68 | USD | 20251201 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 791.42 | USD | 20251201 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 847.95 | USD | 20251201 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1116.47 | USD | 20251201 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 791.42 | USD | 20251201 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1144.73 | USD | 20251201 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1130.6 | USD | 20251201 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 819.68 | USD | 20251201 |