| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 720.45 | USD | 20251128 |
| Shandong Jinshenrun Chem | China national standards | MT | 720.45 | USD | 20251128 |
| Zibo Lishuo Chem | China national standards | MT | 918.22 | USD | 20251128 |
| Wanhua Chem | China national standards | MT | 762.83 | USD | 20251128 |
| Shandong Qiangsen Chem | China national standards | MT | 819.34 | USD | 20251128 |
| Luxi Chem | China national standards | MT | 791.08 | USD | 20251128 |
| Shandong Jinshenrun Chem | China national standards | MT | 720.45 | USD | 20251128 |
| Shandong Yeyang Chem | China national standards | MT | 805.21 | USD | 20251128 |
| Shandong Energy | China national standards | MT | 791.08 | USD | 20251128 |
| Shandong Yeyang Chem | China national standards | MT | 776.96 | USD | 20251128 |