Hardcover Book Cover: 157gsm art paper with 2mm greyboard Inner pages: woodfree paper Color: 4 pantone colors Hardcover Booktian cai printing with over 13 years of experience. Import about 20s advance mechines.Have more than 450 people.Name:Desk/monthly/yearly calendar, company/products/advertisement adbrochure,instruction book,catalogue, card, magzine, hardcover book, softcover book, flyer, ...