| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 2151.72 | USD | 20250922 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1054.76 | USD | 20250922 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 2151.72 | USD | 20250922 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2151.72 | USD | 20250922 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2179.84 | USD | 20250922 |
| Jiangsu Huachang Chemical Co., Ltd. | China national standards | MT | 2151.72 | USD | 20250922 |
| Shandong Energy Group Co., Ltd. | China national standards | MT | 787.56 | USD | 20250922 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 829.75 | USD | 20250922 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 801.62 | USD | 20250922 |