Nov
grain destoner technical analysis and manufacturing specifications
High-performance air screen cleaner from a China factory, with a capacity of 5–10 TPH and CE/SGS certification. It is supplied with systems designed to remove dust and impurities with 99% purity, with delivery in 10–15 days.
Our factory supplies high-performance Double Air Screen Cleaners with 3–7 TPH capacity and 99% purity for cleaning sesame, chia, and grains. The equipment is CE and SGS certified.
We manufacture high-performance Air Screen Cleaners with gravity tables for reliable cleaning of sesame and beans, removing defective kernels to achieve up to 99% purity. Capacity is 7–15 TPH with a 12.8 kW power rating. CE/SGS certified.
High-performance seed cleaning machine manufactured in China, offering 10–15 TPH capacity and up to 99% purity. It uses 26 kW power and a Siemens PLC touchscreen, and is used by global seed suppliers; CE, COC, and SONCAP documentation is available.
Our factory supplies high-performance gravity destoners with a 7–20 tons per hour capacity for reliable seed and grain cleaning. It is designed to achieve 100% stone removal for sesame, beans, groundnuts, and rice. Professional seed cleaning solutions are available with CE, SGS, and SONCAP certification.
We supply high-performance gravity separators with a capacity of 6–15 TPH and power of 13.2 kW. Designed to efficiently remove blighted, rotten, and moldy seeds from sesame, beans, and groundnuts, they help maintain consistent purity. Available from a China-based factory and suppliers; CE/SGS-certified units are provided.
Stainless steel magnetic separators remove metals, soil blocks, and clods from grains and beans with a 5–10 TPH capacity. Built for food-grade purity, the equipment is available as 5–10 TPH systems for efficient pre-cleaning and uses SGS- and CE-certified components.
Capacity: 2–10 tons per hour. After full seed plant cleaning, seed purity reaches 99.99%; the processing line removes impurities including dust, light impurities, leaves, shells, large and small impurities, stones, sand, bad seeds, and injured seeds. Delivery period is 30 working days, with certifications SGS, CE, and SONCAP.
Different grain and bean cleaning solutions from Taobo Machinery.
Soybean cleaning line with air screen cleaner and gravity separator.
Sesame seed cleaning and impurity removal for export grade purity.
Pigeon beans destoning, grading and cleaning in one process.
Hebei Taobo Machinery has been focusing on manufacturing grains pulses & oil seeds processing equipment over 15 years. Taobo machinery we have 5000 square meters warehouse. From design to manufacture we have different departments. For seed and grains cleaning machinery we are top 1 in china market.
Our machines are designed to meet the processing requirements for various types of coarse grains and are best-sellers in numerous countries, including Nigeria, Tanzania, Kenya, Pakistan, Mexico, Poland, South Korea, and Vietnam.
Grain cleaning manufacturer
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purity
Our equipment is exported to over 50 countries and regions. From Mexico and Peru in the Americas to South Korea and Vietnam in Asia, and extending to Nigeria, Tanzania, and Kenya in Africa—as well as Spain and Poland in Europe—our machines operate stably in production facilities worldwide.
After processing, materials such as soybeans and sesame seeds can achieve a purity of 99.5%, thereby empowering our clients to enhance product quality and upgrade their production capacity.
We offer fully customized solutions—from standalone units to complete processing lines—configured to your crop, impurity profile and capacity from 1 to 30 tons per hour.
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Nov
Contamination by stones, soil, and heavy mineral impurities is one of the most persistent challenges in post-harvest grain processing. Even with advanced pre-cleaning, materials that share a similar size and shape with the actual seed often bypass standard screens,

Oct
Achieving high purity in seed and grain processing often comes down to the efficiency of the initial cleaning stage. When dealing with raw agricultural harvest, the presence of dust, chaff, and undersized particles can significantly degrade the quality of the final