| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 868.24 | USD | 20251112 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.36 | USD | 20251112 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 783.17 | USD | 20251111 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 776.11 | USD | 20251111 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 846.67 | USD | 20251111 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 783.17 | USD | 20251111 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1030.11 | USD | 20251111 |
| Jinan Xingdate Biotechnology Co., Ltd. | China national standards | MT | 938.39 | USD | 20251111 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1100.67 | USD | 20251111 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 776.11 | USD | 20251111 |