| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1013.98 | USD | 20251013 |
| Tongling Jintai Chemical Industrial Co., Ltd. | China national standards | MT | 816.82 | USD | 20251013 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 887.24 | USD | 20251013 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 816.82 | USD | 20251013 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 816.82 | USD | 20251013 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 957.1 | USD | 20251012 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 957.1 | USD | 20251012 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.35 | USD | 20251012 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 886.72 | USD | 20251012 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 886.72 | USD | 20251012 |