AIGS Ramps Up Services in China: an Exclusive Interview with Gloria Chen, CEO of AIGS China by Julius Zheng “The operation of AIGS in China brings experience, expertise  and technology  developed  by AIGS Bangkok Laboratory  in over 40 years,  to provide  high-quality, consistent, efficient, and convenient grading services to trade members, gemstone enthusiasts and consumers in China, … Continue reading AIGS Ramps Up Services in China: an Exclusive Interview with Gloria Chen, CEO of AIGS China