| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 970.61 | USD | 20250929 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 970.61 | USD | 20250929 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 970.61 | USD | 20250929 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 956.55 | USD | 20250929 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 956.55 | USD | 20250929 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 956.55 | USD | 20250929 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 956.55 | USD | 20250929 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 956.55 | USD | 20250929 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 998.75 | USD | 20250929 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 998.75 | USD | 20250929 |