| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.82 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.82 | USD | 20251210 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 989.36 | USD | 20251210 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1122.21 | USD | 20251210 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 989.36 | USD | 20251210 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1045.89 | USD | 20251210 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1045.89 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.82 | USD | 20251210 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.82 | USD | 20251210 |