GIANROI Tire  was established in Weihai, China in August of 2010. Since the beginning, Gianroi has been focusing on tire product design, research and development, quality control, brand building and tire management. As one of the major high performance all-steel truck and bus tires manufacturers in China, we build a solid cooperation with global customers.

Gianroi’s strategic goals are: to upgrade the version of China Tire industry on a sustainable development road, to make quality tires with cost performance and service advantage oriented, to be a national tire manufacturer of 100 years for a well known brand in the world.

The company's development strategy is to build a powerful tire supplier in China and a leading competitor in the global tire market, by holding the strategic opportunity of market shift of TBR tires in China, in analysis of the change and trend of the global tire market, by standing on the shoulders of Giants for a wider development vision, by renewing the development thought and model based on all resources and advantages.

The company's concept is: to be committed to meet the interests of all parties. The company will never be developing further on the way without the supports of governments, partners, consumers and its employees. It is the rational return of business development to take the interests of all parties into consideration all the time. Joyall, named as the company's name and its product brand, means to make all cooperation parties full of joys.

The excellent management team is the source of constant innovation for the company's core technology and management. The company is committed to develop our business, to take our own responsibility, to make our value so that we would return the same to our customers and all parties in all fields for their great concerns and profound loves.