SHANDONG YONGSHENG RUBBER GROUP CO., LTD, founded in 1986, is mainly in producing TBR tires and PCR tires, integrating the development, production and sales. The leading export products are ROCKSTONE radial tyres.

The ROCKSTONE brand radial tires with certificates such as ISO/TS16949, CCC, DOT, E-MARK, S-MARK, GCC etc, have been up to the world leading level. The products are sold well at home and abroad, which are praised as economical and practical famous brand product.

The ROCKSTONE brand radial tires with certificates such as ISO/TS16949, CCC, DOT, E-MARK, S-MARK, GCC etc, have been up to the world leading level. The products are sold well at home and abroad, which are praised as economical and practical famous brand product.