| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 1196.37 | USD | 20251011 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 935.99 | USD | 20251011 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1111.92 | USD | 20251011 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 928.95 | USD | 20251011 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 971.17 | USD | 20251011 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1337.12 | USD | 20251011 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1224.52 | USD | 20251011 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1266.75 | USD | 20251011 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1365.27 | USD | 20251011 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1217.49 | USD | 20251011 |