Where are wigs made in China?

I'm curious about the production of wigs in China. Could you tell me where they are primarily manufactured? I'm interested in understanding the supply chain behind these hairpieces and how they are crafted. Are there specific regions or provinces in China that are known for wig production? I'd also like to know if there are any particular techniques or materials that are commonly used in the manufacturing process. Could you provide a brief overview of the wig-making industry in China, including any notable brands or manufacturers? I'm fascinated by the intricacies of this industry and would appreciate any insights you can share.