Ang Square spine Hardcover Book Printing ay isang lumang fashion casebound book binding type. Mayroong 2 pagpipilian para sa iyo. Tinawag namin itong Tight-spine (Tight-Back) at Loose-spine (Loose-Back).
Magbasa paMagpadala ng Inquiry4th Building, Xinxia Road 23, Pinghu, Longgang District, Shenzhen, China