| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 815.43 | USD | 20250919 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1012.26 | USD | 20250919 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 815.43 | USD | 20250919 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 822.46 | USD | 20250919 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 899.79 | USD | 20250919 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 1019.29 | USD | 20250919 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 885.73 | USD | 20250919 |
| PetroChina Kunlun Gas Co., Ltd. Liquefied Gas Daqing Petrochemical Branch | China national standards | MT | 801.37 | USD | 20250919 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 829.49 | USD | 20250919 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 759.19 | USD | 20250919 |