Isn't Kohui a real Guangdong brick

Yes. According to the query Shengshi Changfu new decorative materials limited company's official website information shows that the production base of Kehui ceramics in Gaoming more and the town, is the authentic Guangdong brick. Kefai ceramics is Foshan City, Shengshi Changfu new decorative materials Co., Ltd. of a modern large-scale joint-stock enterprises, enterprises are located in Guangdong Province, Foshan City, Gaoming District, more and the town of more and the avenue.