| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 777.4 | USD | 20251205 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 777.4 | USD | 20251205 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 756.19 | USD | 20251205 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 918.74 | USD | 20251205 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 848.07 | USD | 20251205 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 734.99 | USD | 20251205 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 734.99 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.26 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.26 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.26 | USD | 20251205 |