| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 945.7 | USD | 20251124 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 790.12 | USD | 20251122 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 846.56 | USD | 20251122 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 846.56 | USD | 20251122 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 846.56 | USD | 20251122 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 818.34 | USD | 20251122 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 790.12 | USD | 20251122 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 846.56 | USD | 20251122 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 846.56 | USD | 20251122 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 860.67 | USD | 20251121 |