N'ihi na-eke 2 ridges na ụlọ ọrụ binders mere nke mgbawa osisi, pịa osisi, fiberboard & PVC glued mbadamba osisi… etc akwụkwọ na-ekpuchi n'etiti spines.
1.eji maka creasing na faịlụ nchekwa, mooncake igbe, akwụkwọ siri ike mkpuchi, kaadiboodu, igbe akwụkwọ, wdg;
2. nrụgide na-agbanwe agbanwe, nwere ike pịa akara dị egwu, nke a na-eji maka akwụkwọ dị iche iche dị iche iche;
3. Ihe nrụgide otu, arụmọrụ kwụsiri ike karị;
4. Creasing mma na-eji elu mma 45 ígwè na-eme ka mmetụta nke ịpị mma;
5.The igwe nwere uru nke dị mfe nhazi, mgbanwe ojiji, adaba ọrụ, mara mma ọdịdị na anwụ ngwa ngwa;