| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1131.01 | USD | 20251204 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1003.77 | USD | 20251204 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1017.91 | USD | 20251204 |
| PetroChina Kunlun Gas Co., Ltd. Liquefied Gas Daqing Petrochemical Branch | China national standards | MT | 1017.91 | USD | 20251204 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 961.36 | USD | 20251204 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 989.64 | USD | 20251204 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 869.47 | USD | 20251204 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1010.84 | USD | 20251204 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1081.53 | USD | 20251204 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 961.36 | USD | 20251204 |