| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 761.94 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 761.94 | USD | 20251119 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1354.55 | USD | 20251119 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1100.58 | USD | 20251119 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 987.7 | USD | 20251119 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 776.05 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 761.94 | USD | 20251119 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 867.76 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 761.94 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 761.94 | USD | 20251119 |