| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.27 | USD | 20251010 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.91 | USD | 20251010 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.87 | USD | 20251010 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 380.02 | USD | 20251010 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 365.95 | USD | 20251010 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.87 | USD | 20251010 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 253.35 | USD | 20251010 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 239.27 | USD | 20251010 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 236.46 | USD | 20251010 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 351.87 | USD | 20251010 |