In the international standard classification, grinding machines involve textile products, mechanical testing, leather technology, rubber, handheld tools, machine tools, ink, ink, plastic, art and handicrafts, coating ingredients, air quality, electromechanical components for electronic and telecommunications equipment, surface treatment and coating, vibration, impact and vibration measurement, vibration and impact (related to humans), papermaking industry equipment, valves, internal combustion engines Raw materials for rubber and plastics, machine tools, dental, analytical chemistry, rubber and plastic industrial equipment, cutting tools, textile machinery, pulp. In the Chinese standard classification, grinding machines involve garden animals and plants and their equipment, electric tools, daily glass, enamel, ceramic processing machinery, machine tool synthesis, noise and vibration testing methods, papermaking machinery and equipment, pharmaceuticals, safety machinery and equipment synthesis, grinding machines, basic standards and general methods for pigments, internal combustion engines and accessories, pigments, abrasives and abrasives, synthetic rubber basic standards and general methods Dental instruments, equipment and materials, other textile products, laboratory instruments and vacuum instruments, rubber, plastic machinery, other rubber products, environmental hygiene, drilling, boring, milling machines, and processing specialized equipment