1.New technology 2.New formula 3.New structure 4.heat-resisting, aging resistance 5.Highly Tear Resistant, high airtightness ... and convenient transportation .The delivery time won’t be long.4. The quality is warranty. The company has through IS9001-2000 ... .50-10 ,2.25-14, 3.00-10 ,4.00-10 , 4.00-12 ,4.00-8 ,3.00-10 , 3.50-8 ... -18 ,110/90-16 , 130/90-15 , 4.10-18 ,3.00-23 , 3.00-25 ,4.50-12 , 3.00-8 ,90 ...