| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 908.86 | USD | 20251016 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1218.86 | USD | 20251016 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 901.81 | USD | 20251016 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 934.22 | USD | 20251016 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1366.81 | USD | 20251016 |