| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 909.37 | USD | 20251024 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 895.27 | USD | 20251024 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 986.92 | USD | 20251024 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 895.27 | USD | 20251024 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 891.04 | USD | 20251024 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 895.27 | USD | 20251024 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 891.04 | USD | 20251024 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 986.92 | USD | 20251024 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 895.27 | USD | 20251024 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 986.92 | USD | 20251024 |