Among its products are shoes, sports shoes and sandals which have been specially heat-treated before applying nano-silver on them.

Their durability is three times higher than synthetic leather footwear and they are highly resistant to water and stroke.

They have proved good for health due to the bactericidal action of nano-silver.

Those cornhusk products were presented to the 17th Pyongyang Spring International Trade Fair held some days ago to draw attention of visitors.