| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 919.56 | USD | 20251211 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 919.56 | USD | 20251211 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 919.56 | USD | 20251211 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1329.82 | USD | 20251211 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 933.71 | USD | 20251211 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 912.49 | USD | 20251211 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 912.49 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1230.8 | USD | 20251211 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1372.27 | USD | 20251211 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1230.8 | USD | 20251211 |