电子卷烟的制造商没有进行临床研究和毒性分析，因此，这种卷烟具有潜在的危险性。
The producers of the electronic cigarettes have not conducted clinical studies and toxicity analysts, and consequently, the cigarettes are potentially dangerous.
上海慈掌打火机实业有限公司是一家专业生产各种中高档电子打火机、烟具产品。
Shanghai Cizhang lighter Pte Ltd is a professional company manufacturing and selling middle or high class lighter and smoking set.
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