| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1211.81 | USD | 20251016 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 934.22 | USD | 20251016 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1218.86 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1296.36 | USD | 20251016 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 915.91 | USD | 20251016 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1218.86 | USD | 20251016 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1127.27 | USD | 20251016 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1296.36 | USD | 20251016 |