| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 988.24 | USD | 20251112 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 698.83 | USD | 20251112 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.33 | USD | 20251111 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 945.45 | USD | 20251111 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 853.72 | USD | 20251111 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 853.72 | USD | 20251111 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.33 | USD | 20251111 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 776.11 | USD | 20251111 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 776.11 | USD | 20251111 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 945.45 | USD | 20251111 |