| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 845.39 | USD | 20251020 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 718.58 | USD | 20251020 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 845.39 | USD | 20251020 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 760.85 | USD | 20251020 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 944.02 | USD | 20251020 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 944.02 | USD | 20251020 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 704.49 | USD | 20251020 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 803.12 | USD | 20251020 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 803.12 | USD | 20251020 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 746.76 | USD | 20251020 |