Green Production Overseas Group, Environmental Friendly, Letterpress, Letter Press, Digital Printing, Offset Printing, Printing, Paper Product, Leaflet, Design, Soybean Ink, Name Card, Green Production Overseas Group Founded in 1981 and Operated in Hong Kong. From Offset Printing to Digital Printing Technology, We Always Committed to Provide Excellent Environmental Printing Services to Clients, Paper Boxes, Office Paper ...