| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 634.69 | USD | 20251105 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1029.6 | USD | 20251105 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 535.96 | USD | 20251105 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 437.23 | USD | 20251105 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.13 | USD | 20251105 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.13 | USD | 20251105 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.13 | USD | 20251105 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 423.13 | USD | 20251105 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 394.92 | USD | 20251105 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 394.92 | USD | 20251105 |