| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 901.75 | USD | 20251020 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 915.84 | USD | 20251020 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 986.29 | USD | 20251020 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 796.08 | USD | 20251020 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 796.08 | USD | 20251020 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 796.08 | USD | 20251020 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 760.85 | USD | 20251020 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 845.39 | USD | 20251020 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 845.39 | USD | 20251020 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 753.81 | USD | 20251020 |