| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 789.09 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 817.27 | USD | 20251016 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1014.54 | USD | 20251016 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 803.18 | USD | 20251016 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 930.0 | USD | 20251016 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 845.45 | USD | 20251016 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 901.81 | USD | 20251016 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 817.27 | USD | 20251016 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 887.72 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 817.27 | USD | 20251016 |