Air-screen cleaner (seed processing lathe): a combination of winnowing and screening, cleaning seeds upon the aerodynamic characteristics, dimensional properties such as width, and thickness. Mainly applicable for pre-cleaning and basic cleaning, can eliminate big, small and light seeds. One of the most commonly used seed processing equipments.

Proportion seed selecting machine (seed selecting lathe): selecting upon the density theory. Two forms of it: negative pressure type mainly for mobile single unit and positive pressure type mainly for deed processing line. The positive pressure seed selecting machine has big table-board and long separating path, therefore has better separating efficiency. It can eliminate wormed seed, moldy seed, rot seed, and seeds with smaller density than good seeds.

Pocket cylinder cleaner: the only cleaner selecting seeds upon their lengths, can separate long, short seeds. Various models: single-cylinder, double-cylinder and multi-cylinder, etc.

Seed grader: grading seeds upon operating requirements of precision planter. Main models: cylinder grader and vibration grader.

Complex cleaner: a combination of more than three functions including winnowing, screening, indent separating and stoning.

Complex seed selecting machine: a combination of multi-functions including winnowing, screening and proportion separating. It can realize all the processing links with one time feeding, therefore reduces lifting times, breaking rate and labor force.

Seed coating machine: a machine used in chemical treatment of seed by putting seed coating on the surface of seed. According to the way of mixing, it can be divided into spiral mixing and cylinder mixing; according to the way of liquid atomization, it can be divided into gas atomization, high pressure liquid atomization and plate atomization.

Whole set of seed processing equipment: a general name of factory equipments that can fulfill all the demands of the seed processing and other ancillary devices. Complete sets of equipment for seed processing, according to different processing objects, can choose multiple processes and models, such as dryer, air-screen cleaner, pocket cylinder cleaner, proportion seed selecting machine, grader, coating machine, measurement scale, and ancillary equipment including conveyor system, wind net system, dust removal system, storage system, and electronic control system, etc.