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| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 790.34 | USD | 20251028 | 
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 790.06 | USD | 20251027 | 
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 789.53 | USD | 20251024 | 
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 789.64 | USD | 20251023 | 
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 789.24 | USD | 20251022 | 
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 789.51 | USD | 20251021 | 
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 789.03 | USD | 20251020 | 
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 789.3 | USD | 20251018 | 
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 789.3 | USD | 20251017 | 
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 789.3 | USD | 20251017 |