Tacheng Topwell lik'hemik'hale Materials Co., Ltd. e thehiloe ka 2014, ke mofani oa thepa ea kenang lipatlisisong, thekisong le 'mala o ikhethileng o khethiloeng ka kamano le mefuta ea khanya ea UV, haufi le leseli la infrared (IR).
Lihlahisoa tsa rona tsa mantlha li kenyelletsa,
1. 'Mala oa UV / IR le dae,
2. Haufi le dae e monyang infrared
3. Photo dae ea chromic le pigment,
4. Dae e bonahalang
5. Pherese ea Thermochromic.
Sehlahisoa sa rona se seholo: Pente ea UV ea fluorescent, dae ea NIR, Phello e Khethehileng ea Pigment
Tobetsa ho bala