| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 791.53 | USD | 20251205 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 904.61 | USD | 20251205 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 904.61 | USD | 20251205 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1102.49 | USD | 20251205 |
| 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 |
| 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 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 869.27 | USD | 20251205 |
| Liaocheng Jinxinda New Material Co., Ltd. | China national standards | MT | 784.46 | USD | 20251205 |