Obere-okpomọkụ tupu mkpuchi film adabara okpomọkụ mmetụta ihe, na laminating okpomọkụ bụ 80 ~ 90 ℃, nwere ike na-echebe e biri ebi ihe si bubbling na curling ruru elu okpomọkụ.
EKO bụ ụlọ ọrụ na-arụ ọrụ na R&D, mmepụta na ire ihe nkiri lamination nke thermal maka ihe karịrị afọ 20 na Foshan kemgbe 1999, nke bụ otu n'ime ihe nrụpụta ụlọ ọrụ ihe nkiri thermal lamination.