| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.43 | USD | 20251125 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1411.91 | USD | 20251125 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 847.15 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.43 | USD | 20251125 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 790.67 | USD | 20251125 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 790.67 | USD | 20251125 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1411.91 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.43 | USD | 20251125 |
| Liaocheng Jinxinda New Material Co., Ltd. | China national standards | MT | 783.61 | USD | 20251125 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 988.34 | USD | 20251125 |