| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1171.26 | USD | 20251030 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 987.81 | USD | 20251030 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.42 | USD | 20251030 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1333.54 | USD | 20251030 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1298.26 | USD | 20251030 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1199.48 | USD | 20251030 |
| PetroChina Kunlun Gas Co., Ltd. Liquefied Gas Daqing Petrochemical Branch | China national standards | MT | 1199.48 | USD | 20251030 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1291.21 | USD | 20251030 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1220.65 | USD | 20251030 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 988.1 | USD | 20251029 |