| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 903.62 | USD | 20251125 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 790.67 | USD | 20251125 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 762.43 | USD | 20251125 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 875.38 | USD | 20251125 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 921.98 | USD | 20251125 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 875.38 | USD | 20251125 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 762.43 | USD | 20251125 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 790.67 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.43 | USD | 20251125 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 755.37 | USD | 20251125 |