| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 761.11 | USD | 20251018 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 803.39 | USD | 20251018 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 761.11 | USD | 20251018 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 916.15 | USD | 20251018 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1085.29 | USD | 20251018 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 986.62 | USD | 20251018 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 845.68 | USD | 20251018 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 817.49 | USD | 20251018 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 761.11 | USD | 20251018 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 789.3 | USD | 20251018 |