| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.01 | USD | 20251210 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1031.47 | USD | 20251209 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 536.93 | USD | 20251209 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1031.47 | USD | 20251209 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 536.93 | USD | 20251209 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 402.7 | USD | 20251209 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 406.93 | USD | 20251209 |
| Shandong Langcheng Chemical Co., Ltd. | 90% | MT | 452.15 | USD | 20251209 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.84 | USD | 20251209 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.84 | USD | 20251209 |