| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1301.53 | USD | 20251211 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1301.53 | USD | 20251211 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 912.49 | USD | 20251211 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 912.49 | USD | 20251211 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 912.49 | USD | 20251211 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 912.49 | USD | 20251211 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 912.49 | USD | 20251211 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 919.56 | USD | 20251211 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 919.56 | USD | 20251211 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 919.56 | USD | 20251211 |