| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 862.02 | USD | 20251208 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 847.89 | USD | 20251208 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 989.2 | USD | 20251208 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 847.89 | USD | 20251208 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 819.63 | USD | 20251208 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 819.63 | USD | 20251208 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 848.07 | USD | 20251206 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 848.07 | USD | 20251206 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 848.07 | USD | 20251206 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 848.07 | USD | 20251206 |