For customers' orders, the sales first give the production task list to the produciton department. They will confirm the produciton technology with R&D department again then the designers design the drawings. Then the produciton will start. During the production period, our sales staff will track the progress of produciton and report it to customers. When the order finished, Quality inspectors will carry out quality inspection and testing. Without any problem in our factory, then delivery the goods to customers. After customers received the goods, our special after-sales teams will continue supply the after-sales service for customers any time.