| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1321.12 | USD | 20250928 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1152.46 | USD | 20250928 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1152.46 | USD | 20250928 |