| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 988.1 | USD | 20251029 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1213.95 | USD | 20251029 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1199.84 | USD | 20251029 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1199.84 | USD | 20251029 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 1199.84 | USD | 20251029 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1340.99 | USD | 20251029 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 885.06 | USD | 20251029 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1340.99 | USD | 20251029 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1249.24 | USD | 20251029 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 879.41 | USD | 20251029 |