| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 788.65 | USD | 20251013 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 985.82 | USD | 20251013 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1056.23 | USD | 20251013 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 788.2 | USD | 20251011 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 816.35 | USD | 20251011 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251011 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1140.07 | USD | 20251011 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 844.5 | USD | 20251011 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 844.5 | USD | 20251011 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 816.35 | USD | 20251011 |