Recently, two invention patents applied by our company, "Rubber material and preparation technology for crown strip of semi-steel radial tire applicable to extrusion method" and "Formula and preparation method of a kind of tire bead wire hanging rubber material" have been accepted by the State Intellectual Property Office.

Since the company since its inception, Qingdao liyang rubber technology will enhance our capacity for independent innovation, as the key to enterprise development, researched spending increased year by year, continue to strengthen intellectual property protection, so far, the company has made more than 40 national patents, two patents of invention of acceptance, to further improve the core competitiveness of the company.