| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 952.1 | USD | 20250922 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 991.48 | USD | 20250922 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1293.84 | USD | 20250922 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1293.84 | USD | 20250922 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 956.32 | USD | 20250922 |