| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1073.07 | USD | 20251115 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 988.35 | USD | 20251115 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 960.11 | USD | 20251115 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1073.07 | USD | 20251115 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1073.07 | USD | 20251115 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1073.07 | USD | 20251115 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1214.26 | USD | 20251115 |
| Befar Group Co., Ltd. | China national standards | MT | 889.52 | USD | 20251115 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1200.14 | USD | 20251115 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1030.71 | USD | 20251115 |