| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 875.01 | USD | 20251118 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 846.79 | USD | 20251118 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 931.47 | USD | 20251118 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |