Sumitomo HTR Z5 tire

Sumitomo Tires, specifically the HTR Z5 HTR32 ultra-high-performance summer tire, is a product of Sumitomo Rubber Industries, Ltd. (SRI). The brand has its origins in Japan, rooted in the historic Sumitomo Group, which dates back to the 17th century, though its modern tire production began through a partnership with Dunlop in the early 20th century.

Today, Sumitomo tires are manufactured across a global network of facilities. While many of their flagship products originate from plants in Japan, the company also maintains significant manufacturing operations in Thailand, Indonesia, China, Turkey, South Africa, and Brazil. In the United States, Sumitomo Rubber North America manages the brand distribution and marketing. Sumitomo Rubber Industries is a publicly traded company and stands as one of the world's largest tire manufacturers, focusing on advanced rubber technologies and performance engineering.