Leather is mainly used in shoes, clothing, luggage, clothing, furniture, automobiles, aircraft, railway locomotives, shipbuilding, military and other industries. With the development of industrialization, leather is more and more widely used in daily life. Pigment paste and other related chemical products for leather is very important for leather industries. Shanghai Polyc’s high viscosity double shaft mixer, planetary mixer, discharging machine and three roller mill are suitable to mix and grind high viscosity pigment paste for leather industries.