1. Can I place a sample order for CBD Oil Cartridge? Yes, sample order is welcomed for checking product functionality and quality. It's free from MOQ requirement 2. When can I get the CBD Vape Pen price? We usually quote in 12 hours after get your inquiry. For any urgent questions, you can call us . 3. Is shipping for free? No, the shipment fee needs to be paid by buyers, and it is determined by weight and shipment method. 4. Which shipping methods are available? DHL, FedEx, UPS, TNT,EMS,Ocean Shipping etc. 5. How about the lead time and delivery time of my order? Lead time is normally 2-10 days depending on the quantity and variety; delivery time is normally 3 days. 6. What is the warranty of your product? Half a year warranty from sending out your goods and one year for the accessories.