| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 860.9 | USD | 20251118 |
| Shandong Mingyu | China national standards | MT | 903.24 | USD | 20251118 |
| Nantong Zhonghe Chem | China national standards | MT | 846.79 | USD | 20251118 |
| Aite Zhejiang | China national standards | MT | 846.79 | USD | 20251118 |
| Shandong Daoqin Chem | China national standards | MT | 987.92 | USD | 20251118 |
| Shandong Wells Chem | China national standards | MT | 889.13 | USD | 20251118 |
| Guangzhou Tianyue Chem | China national standards | MT | 959.69 | USD | 20251118 |
| Shandong Wells Chem | China national standards | MT | 846.79 | USD | 20251118 |
| Shandong Hongyang Chem | China national standards | MT | 952.64 | USD | 20251118 |
| Qingdao Shengze Chem | China national standards | MT | 846.79 | USD | 20251118 |