Ruiyan Communication Equipment Co., LTD We are one of the leading factories which develops and produces communication test and software in China, supported by the Chinese government as the most importantly developed company.Ruiyan Communication Equipment Co.Ltd has a R&D headquarter in Shenzhen high-tech research center, possessing the most advanced patent for electronic R&D technique, leading us to be among the best in China. Factory and Company Introduction: We hold 2, 000 square meters for factory in outskirt Shenzhen and 200 square meters for sales office in center Shenzhen with with 10 years` history.Our company is consisted of 100 employees, 20 R&D engineers. Ruiyan has also been involved in the large domestic projects for communication testing instruments, .Therefore, you can rest assured that our productivity is of guaranteed and we can reach into a win-win situation by our cooperation to enjoy our mutual benefit.