| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 438.11 | USD | 20251201 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 480.5 | USD | 20251201 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.84 | USD | 20251201 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 551.17 | USD | 20251201 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.97 | USD | 20251201 |
| Chang Zhou Qi Di Chemical Co., Ltd. | 90% | MT | 621.83 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 452.24 | USD | 20251201 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 466.17 | USD | 20251130 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 423.79 | USD | 20251130 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1130.12 | USD | 20251130 |