Q1: Are you trading company or manufacturer? A1: We are a professional EV charging station manufacturer for over 9 years. Q2:How long to fully charge a car? A2: To know how long to charge a car, you need to know the OBC(on board charger) power of the car, the car battery capacity, the charger power. The hours to fully charge a car =battery kw.h/obc or charger power the lower one. For e.g, the battery is 40kw.h,obc is 7kw, charger is 22kw, the 40/7=5.7hours. If the obc is 22kw, then 40/22=1.8hours. Q3:Do you test all your chargers before shipping? A3: All major components are tested before assembly and each charger is fully tested before shipped. Q4: How about the shipping cost? A4: If your goods is not large, we can send goods to you via express, such as FEDEX,DHL,EMS,TNT,etc.If your goods is large, we will send to you via sea or air, we can quote the price base on FOB, as you like, then you can choose whether use our forwarder or yours. Q5: How about your delivery time? A5: Generally, it will take 3 to 25 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.