| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 805.67 | USD | 20251206 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 819.8 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 819.8 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 819.8 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 819.8 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 819.8 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 805.67 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 819.8 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 819.8 | USD | 20251205 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 834.12 | USD | 20251204 |