| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 805.49 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 805.49 | USD | 20251208 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1283.14 | USD | 20251208 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1052.8 | USD | 20251208 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 847.89 | USD | 20251208 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 805.49 | USD | 20251208 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1031.6 | USD | 20251208 |
| Zhejiang Petroleum&Chemical Co., Ltd. | China national standards | MT | 847.89 | USD | 20251208 |