| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1057.41 | USD | 20251026 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1057.41 | USD | 20251026 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1078.56 | USD | 20251026 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 986.92 | USD | 20251025 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1057.41 | USD | 20251025 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1057.41 | USD | 20251025 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1057.41 | USD | 20251025 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1057.41 | USD | 20251025 |
| Befar Group Co., Ltd. | China national standards | MT | 888.22 | USD | 20251025 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1198.4 | USD | 20251025 |