| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 816.25 | USD | 20250925 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 900.69 | USD | 20250925 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 816.25 | USD | 20250925 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 942.9 | USD | 20250925 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 844.39 | USD | 20250925 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 788.1 | USD | 20250925 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 886.61 | USD | 20250925 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 788.1 | USD | 20250925 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 886.61 | USD | 20250925 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 844.39 | USD | 20250925 |