| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.26 | USD | 20251205 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 720.86 | USD | 20251205 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 720.86 | USD | 20251205 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 720.86 | USD | 20251205 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 720.86 | USD | 20251205 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 720.86 | USD | 20251205 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 720.86 | USD | 20251205 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1356.91 | USD | 20251205 |
| 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 |