How to find customer resources for outdoor alpaca material lighting sales in Hangzhou? I don't know if you are an outdoor landscape or an outdoor quantitative one. anyway, the outdoor is relatively transparent and the profit is better than that of the indoor one, the corresponding thing is that outdoor is actually the most difficult to run (except for relations ). Call again, make another appointment, and then play and disappear. So repeated four or five times !! Calling cwc, a woman who claimed to be surnamed He said to rush every time she called, but it didn't work !! Tell her a refund, she said that the money has been returned to the manufacturer, to ask the manufacturer for money !! One yellow and two white, it should be yellow and negative, one red, one black and one white, and the normal red and black are negative.I don't know!\ N a yellow and white, it should be yellow and negative, one red and one black and one white, normal red positive black negative \ n I don't know either! Adding a logo on this product guarantees free marketing. Anywhere it goes, on transit, people are bound to take notice of this uniquely designed product.