An Expert Manufacturer in IP PBX Industry Founded in 2008, HK Houyuan Technology is a professional manufacturer of VoIP hardware in China. We have rich experience in the IP PBX industry, with branch offices in Hong Kong, Suzhou and Shandong. We have R&D, manufacturing and service departments to be able to supply VoIP, IP PBX, Asterisk PCI cards, 3G routers, RFIDs, consumer electronics and SMT/DIP devices. We also have independent R&D, sale and technical support centers to immediately attend to clients&＃039; concerns. Offering Excellent Services We are working with partners to provide complete solutions, helping to solve the problems of customers timely and aiming for mutual benefits. We also provide specialized services, such as powerful and flexible based-SIP VoIP PBX communication solutions, plus OEM and ODM services for carriers and providers worldwide. Inquire Today Contact us today for more information.