| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 900.71 | USD | 20251008 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 900.71 | USD | 20251008 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 788.12 | USD | 20251008 |
| PetroChina Company Limited | China national standards | MT | 900.71 | USD | 20251008 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 872.56 | USD | 20251007 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 900.71 | USD | 20251006 |
| PetroChina Company Limited | China national standards | MT | 900.71 | USD | 20251006 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 900.71 | USD | 20251006 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 900.71 | USD | 20251005 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 900.71 | USD | 20251005 |