What certifications and patents have Springfield dryer obtained?

Springfield fruit and vegetable dryers 5HGKB-0.3CTA (Yellow) and 5HGKB-0.3CTB (Black Cyclone) have obtained the agricultural machinery test appraisal certificate and promotion appraisal certificate of the Ministry of Agriculture and Rural Affairs. The inventor of the fruit and vegetable dryer holds the invention patent and the design patent.