Shenzhen Shiji Guangda Techecology Co., Ltd is a company that specializes in flybarless systems and gyros.
Here is what they have to say about themselves on their company website:
Shenzhen Shiji Guangda Techecology Co., Ltd is a professional model airplane production enterprise integrating research and development, production, distribution, and service. the company possesses a development team that is brave in innovation and with consummate skills. Relying on advantages of talent, resource, and innovative spirit and relying on our abundant research and development strength, product quality and cost are strictly controlled. The product has novel design, consummate craftsmanship, fine material and high performance/price ratio.