Yayuhong Optoelectronic & Technology Co.,Ltd is a high-tech enterprise，dedicated to the design, manufacture and sales of the world class AD lighting source and LED lighting source .We passed ISO9001:2000 quality systems, ISO14001:2004 environment systems, Rohs, CE, part of products enjoy GS, UL, CE, CCC certifications, more than 90% products are sold to EU, North America ,Asia and Australia. We enjoy a high reputation and popularity in the industry.Quality is the core part in YYH, our R&D concept is "Reliability, Practicability, Lower cost", we have cordial working attitude, regard integrity as our principle, and uphold practical working style to provide you with satisfying products and services. Because we know this will be the base of our long-term partnership.