Kyokuyo Sangyo Co. Ltd., which is Japanese sole agency of Asahi Kasei PVDC thermal color change fiber is recruiting the agency in the Shanghai district.
Asahi Kasei PVDC thermal color change fibers are made by blending pigment-containing thermal color change microcapsules which become increasingly transparent under warming.
It is not possible to sell it to doll hair usage.
url:http://www.asahi-kasei.co.jp/sarannet/saranart/en/saran02.html
url:http://www.asahi-kasei.co.jp/dollhair/en/tc.html