Shading: 10- 30 days before green tea picking.
Processing method of matcha: China and Japan used stone mills in ancient times. Japan still uses natural stone mills for grinding, and there are hundreds of electric natural stone mills, which are very spectacular. In recent years, matcha is more used in processing industry. In order to reduce the processing cost, it is also processed by ball mill, and it is also processed by jet mill in China. Because the stone mill for grinding matcha has been patented by Matcha Co., Ltd. in China, it has triggered a war of words. Many tea powder processors question whether matcha must be ground with a stone mill.