... , we will send free in the next order if it is our mistake. welcome to inquiry , welcome to ask any question ... . 4) Why choose Electronic Cigarette(1) No tar and other carcinogenic substance.(2) Harmless to others and the environment. With no danger ... ,PSE,FCC are approved, more than 3000 employees, annual sales is up to 10 million US dollar.(3) 6 years e ...