| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1014.74 | USD | 20251022 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1014.74 | USD | 20251022 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1028.84 | USD | 20251022 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 852.67 | USD | 20251022 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 852.67 | USD | 20251022 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 873.81 | USD | 20251022 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 859.71 | USD | 20251022 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1007.7 | USD | 20251022 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1014.74 | USD | 20251022 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1776.4 | USD | 20251021 |