| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 967.24 | USD | 20250814 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 967.24 | USD | 20250814 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1093.4 | USD | 20250814 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 967.06 | USD | 20250813 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 911.0 | USD | 20250813 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1241.77 | USD | 20250813 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1166.08 | USD | 20250813 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1093.2 | USD | 20250813 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 967.06 | USD | 20250813 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 967.06 | USD | 20250813 |