| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 862.14 | USD | 20251203 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 819.74 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 989.34 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 918.16 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 988.78 | USD | 20251202 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 946.41 | USD | 20251202 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1115.91 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1243.04 | USD | 20251202 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 882.84 | USD | 20251202 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 889.91 | USD | 20251202 |