| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1386.41 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1202.5 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1202.5 | USD | 20251211 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1032.74 | USD | 20251211 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 909.66 | USD | 20251211 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 909.66 | USD | 20251211 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 909.66 | USD | 20251211 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1343.97 | USD | 20251211 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1358.12 | USD | 20251211 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 933.71 | USD | 20251211 |