| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 819.99 | USD | 20251204 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.64 | USD | 20251204 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 841.19 | USD | 20251204 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1244.12 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 819.99 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 819.99 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 819.99 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 834.12 | USD | 20251204 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 815.74 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 834.12 | USD | 20251204 |