| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1197.96 | USD | 20251022 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1212.05 | USD | 20251022 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1296.61 | USD | 20251022 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 890.72 | USD | 20251022 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 890.72 | USD | 20251022 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 890.72 | USD | 20251022 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1226.15 | USD | 20251022 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 887.9 | USD | 20251022 |