| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1144.83 | USD | 20251210 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 918.43 | USD | 20251209 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 791.26 | USD | 20251209 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 847.78 | USD | 20251209 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1059.73 | USD | 20251209 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 989.08 | USD | 20251209 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 883.11 | USD | 20251209 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 883.11 | USD | 20251209 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 791.26 | USD | 20251209 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 890.17 | USD | 20251209 |