Smoking is a bad habit that does harm to smoker and others. Many kinds of diseases and cancers are caused by smoking, such as tracheitis, lung cancer...

It has been estimated that smokers have made up half of the population in China. And the smokers are becoming younger and younger, even ineluding some...

RoHS标语：RoHS为欧盟大力推广制造绿色产品而制定的禁止有害物质的环保指令，并于2006年7月1日生效实施。RoHS禁止采购、制造和销售含有六种有害物分别为：镉、铅...