| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1336.99 | USD | 20250930 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1351.07 | USD | 20250930 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 957.01 | USD | 20250930 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 957.01 | USD | 20250930 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 957.01 | USD | 20250930 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 957.01 | USD | 20250930 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 957.01 | USD | 20250930 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1196.26 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 971.08 | USD | 20250930 |