| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 790.34 | USD | 20251118 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 846.79 | USD | 20251118 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 987.92 | USD | 20251118 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 846.79 | USD | 20251118 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 790.34 | USD | 20251118 |
| Jiangsu Zhonghu Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 924.41 | USD | 20251118 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |