... .4. Lower wicking place, longer wicking cord5. Huge smoke6. Quality improvement product based on DCT system 7. No filler Tank ... can be returned to our factory, and the shipping cost will be paid by us. For individual unqualified products, we will ... 2k, 30%as deposite, and balance before the shipmentPayment terms: TT, Western Union, Paypal for small order smoktech new and good quality EGO sing coil tank ...