| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 930.25 | USD | 20251018 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1381.27 | USD | 20251018 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1226.23 | USD | 20251018 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1198.04 | USD | 20251018 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 909.1 | USD | 20251018 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 909.1 | USD | 20251018 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 909.1 | USD | 20251018 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1367.18 | USD | 20251018 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 909.1 | USD | 20251018 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1226.23 | USD | 20251018 |