| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1247.74 | USD | 20251024 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1219.55 | USD | 20251024 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 972.82 | USD | 20251024 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 986.92 | USD | 20251024 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 884.0 | USD | 20251024 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 930.52 | USD | 20251024 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 909.37 | USD | 20251024 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 895.27 | USD | 20251024 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 895.27 | USD | 20251024 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 895.27 | USD | 20251024 |