| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 728.57 | USD | 20251211 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 749.79 | USD | 20251211 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 749.79 | USD | 20251211 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 990.3 | USD | 20251211 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 990.3 | USD | 20251211 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 728.57 | USD | 20251211 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 728.57 | USD | 20251211 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 707.35 | USD | 20251211 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 947.85 | USD | 20251211 |