| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 720.4 | USD | 20251202 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 762.78 | USD | 20251202 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 748.65 | USD | 20251202 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 741.59 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 762.78 | USD | 20251202 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.41 | USD | 20251202 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 741.59 | USD | 20251202 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 699.21 | USD | 20251202 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 727.46 | USD | 20251202 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 854.59 | USD | 20251202 |