| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 690.19 | USD | 20251015 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 746.53 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 690.19 | USD | 20251015 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 915.56 | USD | 20251015 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 746.53 | USD | 20251015 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 690.19 | USD | 20251015 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 746.53 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 690.19 | USD | 20251015 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 690.19 | USD | 20251015 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 746.53 | USD | 20251015 |