The difference between them is the efficiency of making the teapot body, with half handmade production being able to produce two teapots per day, while fully handmade production requires three days to one teapot
The design of a round vessel emphasizes smoothness, balance, proportion, symmetry, and elegance. The rules of shaping require it to be round, stable, even, and regular. The artistic requirements demand a flawless, smooth, and harmonious configuration of the lid, spout, handle, shoulder, waist, and mouth. It should be perfectly proportioned and exude a timeless and enduring beauty.
Teapots made from inferior chemical materials do not have these advantages and may even affect one's health. However,why should one purchase a handmade purple clay teapot? Machine-made purple clay teapots will not use true purple clay due to cost and manufacturing process issues. They prefer to use clay because it is easier to shape and can be mass-produced,Chemical additives are used to make it easier to shape.
Yixing zisha(purple clay)is the materials of yixing clay teapot, the umbrella term for all raw clay materials found in Yixing,China. They have been used as materials for teapots for more than 500 years. The teapot made of this material is called a "breathing" teapot because of its special material, good air permeability and can make the tea more fragrant.
Yixing teapot, It has multiple names,like :"Zisha" teapot,"Purple clay" teapot,"Yixing zisha" teapot,"yixing clay" teapot". Zisha" means "purple clay",but It's not comprehensive,"zisha" is the umbrella term for all raw clay materials found in "Yixing" city,China,include red clay,purple clay,green clay,etc. Purple clay is a special type of clay that is found in the Taihu Lake region of Yixing, Wuxi, Jiangsu Province