| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2151.72 | USD | 20250922 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2151.72 | USD | 20250922 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 2151.72 | USD | 20250922 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 2151.72 | USD | 20250922 |
| Shandong Energy Group Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| Shandong Energy Group Co., Ltd. | China national standards | MT | 773.49 | USD | 20250922 |
| PetroChina Kunlun Gas Co., Ltd. Liquefied Gas Daqing Petrochemical Branch | China national standards | MT | 2151.72 | USD | 20250922 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 829.75 | USD | 20250922 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 815.68 | USD | 20250922 |