Wo produces over three hundred kinds of sizes in six seres of size in six sers of tires for truck,agricultural,off-the-load and motorcycle(including tire and tube). The company has passed successfully for one time only ISO9001:2000 International Quality Control System Authentication,Product Quality Safty Authentication and HS,Ameican DOT Authentication and European ECE Authentication.It has the advanced test centre of quality,the department of science study and centre of technical and science information.The company has gained many good reputations,such as :”Good Qality”send by the National Technical Supervision Information Association,”AAA”Grade Credit Enterprise sent from Bank of China,”Shandong Department”,the’Advanced Company In Exporting”honored by the government of GuangRao town,and so on