| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 718.58 | USD | 20251020 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 760.85 | USD | 20251020 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 760.85 | USD | 20251020 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 774.94 | USD | 20251020 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 760.85 | USD | 20251020 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 789.03 | USD | 20251020 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 789.03 | 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 Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 944.02 | USD | 20251020 |