Good day: This is amy liu from GT PCB & Technologies Co., Ltd, We are glad to know your company and attached please find our product information attached. Please feel free to contact usFor your information:To deliver to our customers, GT PCB & T. is continuously improving our capabilities and processes to reduce operational costs and provide the latest technologies.Our advanced PCB technologies goes with many added value services such as: Engineering and technical support from our expert team, Lay-up construction, control impedance calculations and NPI (New Product Introduction).