Kemgbe 2019, Sichuan LEAWOD Window and Door Profiles Co., Ltd enwetala nzere okpukpu abụọ nke 1 maka mmepụta na ntinye nke ọnụ ụzọ ụlọ na Windows. N'otu afọ ahụ, a kpọrọ ụlọ ọrụ ahụ ka ọ sonye na arịrịọ nke ọnụ ụzọ ntinye ahaziri ahazi maka windo mpụta nke ụlọ ọrụ National Technical Committee for Standardization of Building Curving Wall Doors na Windows na 2019, wee gaa Beijing na Nọvemba 2019 iji gosipụta teknụzụ nhazi nhazi nke ụzọ usoro LEAWOD na Windows. Ndị ọkachamara sitere na mba niile amatala ya nke ọma ma jiri otu kọmitii Standardization na Kọmitii Na-ahazi nyochaa ya. Ekpebiri inye Sichuan LEAWOD Window and Door Profiles Co., Ltd aha nke otu nrụnye nrụnye nke mba.