| Vendor | Spec | Unit | Price | Currency | Date |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 438.17 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.03 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.03 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.03 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.03 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.03 | USD | 20251205 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 565.38 | USD | 20251205 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 537.23 | USD | 20251204 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1032.05 | USD | 20251204 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 537.23 | USD | 20251204 |