Shandong Mastone Rubber Co., Ltd is located in Weifang city, Shandong province, China. Our Daily output for tires is 3000pcs , for natural rubber tubes is 20000pcs and for Butyl tubes is 20000pcs. All the goods are produced under the standards of CCC(Chinese), DOT(USA ), GCC (Arabic certificates), NOM(Mexico), ECE (European Certificates) .For tires, we have two quality to offer :A quality, rubber content 50%, warranty for one year. B quality ,rubber content 40% , warranty for 6 months.Now we export to more than 30 countries in Latin America, North America, South America, Africa, Middle East , Southeast Asian and CIS regions.