国产国语AV大片_亚洲欧美国产日韩天堂区一区_99在线精品播放_都市激情亚洲激情_亚洲av熟女国产_欧美乱辈伦完整版电影_中文字幕影视先锋免费黑丝_亚洲影院在在线播放_欲色精品一区二区三区_小优视频高清视频在线看

Nanjing Guangsha Software Co., Ltd. was founded in 2009.，which has now become a high-tech company that covers software and hardware R&D and production, with independent intellectual property rights of products and software copyrights. The company's R&D and management teams are mainly experienced senior engineers. We are focusing on the design of microcontrollers and the development of industry 4.0 software. Microcontrollers are involved in the mechanical and electrical industries such as ele