回複：回複：朋友在國內工廠生產汽車空調過濾器(Cabin filter)，希望開拓美國市場，這裏有作汽車配件的嗎？

You have two directions. One is car maker, another one is aftermarket. Sale to car maker is more difficulty. Aftermarket is easier to start. However, just as any new business, you have to plan one or two years to develop the channel. Of cause, you can be the lucky guy got a good successes with very short time.