we are auto inner tube manufacturer in china for 26 years,we manily product car inner tube,auto inner tube,truck inner tube and motocycle inner tube ect.for butyle and rubber tubes with differnet quality.such as,450/500-12,600-12,145-13,155/165-13,175-14,185-14,195-15,600-16,600-15,750-16,825-16,825-20.900-20.1000-20.1100-20.1200-20.1200-24.1400-20.400-8.300-17.300-18.325-16.350-16 and so on. Our company has passed ISO9001:2000 system certificate,has registed "Gong Tai","ESAKE" several marks,the company insistedfoster a sense of superiority,the implementation of brand strategys,brand size,three major advantages as pig producation in Ruian city,backbone enterprises,and this is the quality,reputation, service-threeoutstanding enterprise,the producation of pig products was excellent brand products in zhejiang province.we would like to sincerely cooperate to creat the future.