Koryo is the leading manufacturer in China of radial tires, PCR tires, bias tires, and butyl tubes. Koryo manufactures nearly 1,000 different sizes and patterns of TBR, PCR and OTR truck, agricultural, industrial and motorcycle tires. Koryo also produces tubes and wheels. Koryo tires are sold in over 100 countries around the world
Koryo’s products comply with major international safety compliances such as ISO9001 as the American Standard (DOT), European Community Standards (ECE), the Gulf Standard (GCC), Nigerian COC, Indonesia SNI, SMARTWAY and the Brazil’s INMETRO.