A vibratory feeder is an instrument that uses vibration to "feed" material to a process or machine.
A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust.
Vibrating screens are the machines working on the principle of reciprocating spiral vibration caused by excitation of vibrator.
A mill is a device that breaks solid materials into smaller pieces by grinding, crushing, or cutting.
Grading equipments are machines used for classifying the materials into different granularity.
Production line means the route of the production of raw materials including processing, transportation, assembling and inspection, etc.