¡ñCH type mixer is wide used for mixing powder or wet raw materials and can make the main and auxiliary raw materials with different proportion uniform. The places where the raw materials contact are made from stainless steel. The gap between blades is small and there is no dead corner in mixing. At the ends of stirring shaft, there are seal devices. It can prevent from the raw materials rushing out. It is wide used for pharmaceutical, chemical, foodstuff and so on industries.