| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1218.86 | USD | 20251016 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1218.86 | USD | 20251016 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1331.59 | USD | 20251016 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 915.91 | USD | 20251016 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1169.54 | USD | 20251016 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1042.72 | USD | 20251016 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1197.72 | USD | 20251016 |