| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.26 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.26 | USD | 20251205 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 763.26 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.26 | USD | 20251205 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 777.4 | USD | 20251205 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 791.53 | USD | 20251205 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.41 | USD | 20251205 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.41 | USD | 20251205 |
| Hunan Qilu New Materials Technology Co., Ltd. | China national standards | MT | 855.14 | USD | 20251205 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 720.86 | USD | 20251205 |