| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Baoxin Environmental Protection Technology Co., Ltd. | China national standards | MT | 165.27 | USD | 20251202 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 155.38 | USD | 20251202 |
| Shandong Haihua Co., Ltd. | China national standards | MT | 190.69 | USD | 20251202 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 197.76 | USD | 20251202 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 183.63 | USD | 20251202 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 261.32 | USD | 20251202 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 261.32 | USD | 20251202 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 211.88 | USD | 20251202 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 211.88 | USD | 20251202 |
| Henan Leavit Chemical Technology Co., Ltd. | China national standards | MT | 159.7 | USD | 20251201 |