| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 916.72 | USD | 20251120 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 987.24 | USD | 20251120 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 944.93 | USD | 20251120 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 959.03 | USD | 20251120 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1058.25 | USD | 20251119 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 888.93 | USD | 20251119 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 959.48 | USD | 20251119 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 945.37 | USD | 20251119 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 987.7 | USD | 20251119 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 860.71 | USD | 20251119 |