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• Innovative and efficient is our principle, Tianjin happy color printing Co, . Ltd is based on 18 years of experience in printing and packaging. We are committed to providing services for OEM products according to customer needs. • Our products include: Office and school paper stationery products; PU leather or paper notebook, diary, sketch book, sticker, envelope, folder (paper documents), calendar; Packing box (paper box, gift box) packing bag (paper bag), packing label, catalogue, ...
