This is vicky from Shandong Yongsheng Rubber Group Co.,Ltd,founded in 1986,specialize in procucing TBR tire and PCR tire for 27 years,exporting to abroad market for more than 12 years.Our group has more than 5,000 staffs, located in GuangRao Economic Development Zone,Dongying City,Shandong Province,China.We are a high-tech industry group which combied the reserch,produce,sale and international trading of all steel radial tire,semi-steel radial tire and other relative products.As more and more tire manufactures assemble here,finally become a tire industry cluster. 

1.Certification: ISO9001, ISO/TS16949, CCC, DOT, ECE, INMETRO , CNAS, etc

2.Brand::ROCKSTONE&CAMRUN&BONANZA

3.Tyre Size:9.00R20, 10.00R20, 11.00R20, 12.00R24, 11R22.5, 315/80R22.5, 12R22.5, 13R22.5, 295/80R22.5,145/70R13, 155/80R13, etc

4.Pattern:ST901, ST902, ST/903, ST905, ST906, ST936, ST959, ST967, ST869, YS905, SR1020, SR1000,F101, F102, etc