Qingdao Shanbai Shan Hair Products Factory a raara nye ụlọ ọrụ nlekọta ntutu maka afọ 17. Dị ka ụlọ ọrụ na-emepụta wig ọkachamara na-ejikọta R&D, mmepụta na ire ere, ọ dị na Qingdao-ebe maka ụlọ ọrụ wig. Site na nka siri ike na njikwa mma siri ike, ụlọ ọrụ ahụ enwetala aha siri ike n'ime ngalaba ahụ.
Ụlọ ọrụ mmepụta ihe na-ahụ maka ngwaahịa ntutu isi dị elu nke dị elu, na-enye onyinye ndị bụ isi na-agụnye ihe anọ: mkpuchi isi ndị Juu, obere ntutu isi ndị Juu, mkpuchi silicone, na mkpuchi ahụike. Ngwaahịa ndị a na-akwado ngwa dị iche iche dị ka ememe okpukperechi na mmezi ahụike, ma na-ebupụ ya n'ọtụtụ mba na mpaghara gburugburu ụwa, na-enweta ntụkwasị obi zuru oke n'aka ndị ahịa.