| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1026.64 | USD | 20250922 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 815.68 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 815.68 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 815.68 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 815.68 | USD | 20250922 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1096.95 | USD | 20250922 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 914.13 | USD | 20250922 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 914.13 | USD | 20250922 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 843.81 | USD | 20250922 |