Ngwa ngwa nkọwa:
A na-eji YFSW200 Automatic Swing Door Operator eme ihe n'ọtụtụ ebe n'ọfịs, ụlọ nzukọ, ụlọ ọgwụgwọ ahụike, ogbako na wdg, nke ọnụ ụzọ enweghị nnukwu ohere.