Shandong Xiangyu established a research and development center in February 2017, which is mainly engaged in the design, development and airworthiness of aircraft parts. There are more than 30 R&D personnel. At present, the company has obtained the parts manufacturer approval (PMA), and the technical standard order approval (CTSOA), which is obtained cabin interior components, life jacket bags , drip pan and spacer, lamp housing, flanges, bottom plates, buttons, EFB charging modules and installation boxes, cargo lights, filters, oven door seals, aircraft signs, and safety belt a total of 11 project sheets. We can conduct research and development approval according to the needs of customers.