| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 721.5 | USD | 20251211 |
| Liaocheng Jinxinda New Material Co., Ltd. | China national standards | MT | 785.16 | USD | 20251211 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 778.09 | USD | 20251211 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 778.09 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.94 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.94 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.94 | USD | 20251211 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1358.12 | USD | 20251211 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 778.09 | USD | 20251211 |