Guo Tu, Guangdong. The OEM foundry of art coatings is mainly concentrated in Guangdong, and the market competition is fierce. Among them, Guangdong Guo Tu is the most processed by the local Guangdong Art Paint Factory. In addition to Guo Tu, there are Le Tu, Najing, Xiangte, Riyang, Kisbo, Jiarunshi, Hongyan, Wanxingjia and Jintubao.