| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1339.35 | USD | 20251021 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 883.97 | USD | 20251021 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 986.89 | USD | 20251021 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1113.77 | USD | 20251021 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1247.71 | USD | 20251021 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1015.09 | USD | 20251021 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 891.02 | USD | 20251021 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1244.89 | USD | 20251021 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 883.97 | USD | 20251021 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1339.35 | USD | 20251021 |