| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 933.71 | USD | 20251211 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 962.0 | USD | 20251211 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 919.56 | USD | 20251211 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 926.63 | USD | 20251211 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 912.49 | USD | 20251211 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 912.49 | USD | 20251211 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 912.49 | USD | 20251211 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1194.3 | USD | 20251210 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1194.3 | USD | 20251210 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1215.5 | USD | 20251210 |