Qingdao Topwell Ibikoresho Byimiti Co, Ltd.yashinzwe muri 2014, ni isoko ryumwuga ukora ubushakashatsi, kugurisha no kugurisha pigment idasanzwe hamwe n irangi bifitanye isano nubwoko bwurumuri - urumuri rwa UV, hafi yumucyo utagaragara (IR), urumuri rugaragara.

Ibicuruzwa byacu byingenzi birimo,

1. UV / IR fluorescent pigment hamwe irangi,

2.Ibara rya pigiseri,

3. Hafi ya infragre ikurura irangi,

4.Perile pigment,

5. Irangi rigaragara ryirangi

6. Irangi rya Photochromic na pigment

7.Urolithin A.