| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 958.43 | USD | 20251019 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 958.43 | USD | 20251019 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 1014.81 | USD | 20251019 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 909.1 | USD | 20251018 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 909.1 | USD | 20251018 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1007.77 | USD | 20251018 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 930.25 | USD | 20251018 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1071.19 | USD | 20251018 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1028.91 | USD | 20251018 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1000.72 | USD | 20251018 |