| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1055.62 | USD | 20251010 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 914.87 | USD | 20251010 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1013.4 | USD | 20251010 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1111.92 | USD | 20251010 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1111.92 | USD | 20251010 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 992.29 | USD | 20251010 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251010 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1048.59 | USD | 20251010 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251010 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 931.76 | USD | 20251010 |