| Vendor | Spec | Unit | Price | Currency | Date |
| Shijiazhuang Baipo Chem | China national standards | MT | 321.85 | USD | 20250928 |
| Shandong Shuntian Chem | China national standards | MT | 316.22 | USD | 20250928 |
| Shandong Luxi Chem | China national standards | MT | 548.12 | USD | 20250928 |
| Unknown | China national standards | MT | 9260.0 | USD | 20210323 |
| Unknown | China national standards | MT | 370.0 | USD | 20210323 |
| Unknown | China national standards | MT | 40.0 | USD | 20210322 |
| Unknown | China national standards | MT | 1430.0 | USD | 20210322 |
| Unknown | China national standards | MT | 50.0 | USD | 20210322 |
| Unknown | China national standards | MT | 2810.0 | USD | 20210322 |
| Unknown | China national standards | MT | 800.0 | USD | 20210321 |