| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 922.11 | USD | 20251117 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 868.45 | USD | 20251117 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 790.78 | USD | 20251117 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 790.78 | USD | 20251117 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 790.78 | USD | 20251117 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 762.44 | USD | 20251116 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 790.68 | USD | 20251116 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.44 | USD | 20251116 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 748.32 | USD | 20251116 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.44 | USD | 20251116 |