Red star lathe processing. According to the enterprise survey, Red Star Lathe mainly processes handicrafts, mechanical parts and other processing procedures. Longhua District, which belongs to Shenzhen City, Guangdong Province, is located in the geographical center of Shenzhen and the central axis of urban development. It is adjacent to "six districts and one city" in the north, Dongguan and Guangming District in the east, Longgang in the east, Futian, Luohu and Nanshan in the south and Baoan in the west, with a total area of 175.6 square kilometers.