Guang zhou Yanyan technology Co., Ltd is Guangzhou City, Guangdong Province, China, with more than 10 employees,! Our company in researching, developing, manufacturing and marketing adapters, switching power supplies, linear adapters and motherboard, Hard drive, IC card and other products. For the development of company, we constantly improve our quality system and consummate our quality control team. From Raw materials, production process to finished products inspection all have to undergo a rigorous monitoring and testing to ensure quality, not only to meet customer requirement, but also to exceed the requirement of customers. Our products are ready to enter virtually any market. Our mission is to provide Excellent quality, competitive price and more value-added service to our clients, all of these makes our core competitiveness get a far-reaching develop and prominent advance.