| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1198.57 | USD | 20251023 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1113.96 | USD | 20251023 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1381.88 | USD | 20251023 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1297.27 | USD | 20251023 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 895.4 | USD | 20251023 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 891.17 | USD | 20251023 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 891.17 | USD | 20251023 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1015.26 | USD | 20251023 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |