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Andong Liu is a highly experienced Solution Specialist and Presale/Enterprise Architect at CommTel Network Solutions since December 2008, specializing in technical pre-sales, architecture design, and vendor management. Liu has successfully led architecture-related activities, approved technical proposals, and supported business growth through customer relationships and sales strategies. Previously, Liu served as a Senior System Engineer at Motorola from March 1998 to June 2008, providing network infrastructure solutions and performing pre-sale duties while overseeing engineering services for various wireless systems. Liu holds a Bachelor's degree in Information and Electronic Engineering from Zhejiang University, earned between 1992 and 1996.