| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251011 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 802.27 | USD | 20251011 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 802.27 | USD | 20251011 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.05 | USD | 20251011 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.05 | USD | 20251011 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.05 | USD | 20251011 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.05 | USD | 20251011 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1351.2 | USD | 20251011 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 760.05 | USD | 20251011 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1196.37 | USD | 20251011 |