| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 971.08 | USD | 20251008 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1041.45 | USD | 20251008 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 957.01 | USD | 20251008 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 957.01 | USD | 20251008 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 957.01 | USD | 20251008 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 942.93 | USD | 20251008 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 957.01 | USD | 20251008 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 924.64 | USD | 20251008 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1351.07 | USD | 20251008 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1336.99 | USD | 20251008 |