A CHINESE YIXING ZISHA 'THREE FRIENDS OF WINTER' TEASET. Comprising: a teapot and cover formed as a tree trunk decorated with applied and painted sections imitating pine, bamboo and prunus, three similarly decorated cups with white-glazed interiors, and a plain circular tray, the teapot cover stamped Jiang Rong. tray 25.5cm diameter, teapot 21cm long, cups 10cm long. (6) 宜興紫砂歲寒三友圖紋茶具一套，「蔣蓉」、「湯度陶業生產合作社」、「宜興出品」款 Note: 湯度陶業生產合作社, was founded in 1952 in Yixing. In 1954, a new factory was founded by famous Zisha makers including Zhu Kexin, Shi Peimin, Wu Yungen, 7 makers in total, which the company belongs to 湯度陶業生產合作社, and the makers started using the mark since then. https://kknews.cc/zh-my/collect/9vay4ob.html