As we have established a special team for transmission projects, we will provide professional project solution or technology support to optimize your current project, before start project, we need all your requirments to confirm our solution will meet it and will be perfect for your to use it. After sales, if any problem occured in using, it is ok to contact us to figure it out , and we will also provide technology support, if any problem about our product on quality, we will cooperate to negotiate and find method to solve it.