Who is the master of Fiona Fang brand teapot?

Gu Jingzhou, Ren Ganting, Wu Yungen, Pei Shimin, Wang Yinchun, Zhu Kexin and Jiang Rong. Fiona Fang brand teapot is an early brand of purple sand. At that time, there will be masters like Gu Jingzhou and Ren Ganting. Wu Yungen, Pei Shimin, Wang Yinchun. Zhu Kexin and Jiang Rong are called Zisha seven old. Fiona Fang brand introduction was established in 1954. Is a comprehensive enterprise mainly engaged in research and development, production and sales of teapot-related products.