| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.22 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.22 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.22 | USD | 20251210 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 968.16 | USD | 20251210 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 819.75 | USD | 20251210 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 753.32 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.22 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.22 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.22 | USD | 20251210 |