| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 237.33 | USD | 20251128 |
| Qingdao Shengze Chem | China national standards | MT | 233.09 | USD | 20251128 |
| Shandong Mingyu | China national standards | MT | 346.1 | USD | 20251128 |
| Jinan Jinrihe Chem | China national standards | MT | 268.4 | USD | 20251128 |
| Shanghai Guoke | China national standards | MT | 459.11 | USD | 20251128 |
| Shandong Yushuo Chem | China national standards | MT | 240.15 | USD | 20251128 |
| Luxi Chem | China national standards | MT | 265.58 | USD | 20251128 |
| Shandong Jinling Chem | China national standards | MT | 233.09 | USD | 20251128 |
| Shandong Aite Chem | China national standards | MT | 324.91 | USD | 20251128 |
| Shandong Aite Chem | China national standards | MT | 370.11 | USD | 20251128 |