For R&D and design, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our R&D and design has been well received by many customers and enjoyed a good reputation in many countries. Shenzhen Detyl Optoelectronics Co., Ltd. R&D and design have characteristic design & practical performance & competitive price, for more information on the R&D and design, please feel free to contact us.