| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1169.46 | USD | 20251020 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1113.1 | USD | 20251020 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1127.19 | USD | 20251020 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1113.1 | USD | 20251020 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1056.74 | USD | 20251020 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1099.01 | USD | 20251020 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1099.01 | USD | 20251020 |
| Zhejiang Petroleum&Chemical Co., Ltd. | China national standards | MT | 929.93 | USD | 20251020 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 993.34 | USD | 20251020 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 944.02 | USD | 20251020 |