| Vendor | Spec | Unit | Price | Currency | Date |
| Befar Group Co., Ltd. | China national standards | MT | 1340.56 | USD | 20251111 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1270.0 | USD | 20251111 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1128.89 | USD | 20251111 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1270.0 | USD | 20251111 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1128.89 | USD | 20251111 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1121.84 | USD | 20251111 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1188.16 | USD | 20251111 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1093.61 | USD | 20251111 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1171.22 | USD | 20251111 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1128.89 | USD | 20251111 |