Which one is better, the nan bamboo steamer or the ci bamboo steamer? In the end which color will become black

1, handmade bamboo steamer, then, is mainly about workmanship (all products are the same, right, good workmanship, good quality) 2, the difference between the two kinds of bamboo is not big. (Cizhu leaves also have the effect of clearing the heat) 3, do the master steamer will generally remove the green skin of the bamboo. (Because the green skin is very hard, if you do not remove it is very time-consuming to make, as if it must be softened by the fire). 4, many places when the bamboo is divided into very thin slices of bamboo, this steamer is very light, it is easy to be damaged. 5, Sichuan is the main production area of cizhu bamboo, most of the steamer is made with cizhu bamboo. But there are also two kinds, with green skin and without green skin. Bamboo steamer with green skin need to bake fire treatment, so the price is more expensive (but mainly depends on the work, poor work should also be cheaper) 6, Nanzhu, also known as moso bamboo, is the main material of the steamer. Because he is easy to process, so the production of steamer is convenient and low cost. Guangdong and Fujian area of mass production of bamboo steamer price of only about 10 yuan. 7, the steamer color changes: with the green skin with the increase in the use of time will become brown, the longer the use of the color is better. And without the green skin will gradually turn black. And chopsticks, oh. The following picture is with green skin and without green skin steamer color comparison