... OEM of American and European brands for many years. Electric-bike Tube, bike tube, bike butyl tubeSpecification:16x3.00 ... 1990. We focus on researching, manufacturing and marketing of bicycles, electric bicycles, motorcycle tires and parts. Through many years' development, ... of BG/T1701 and 17702-1997. Our corporation boasts three self-owned trademarks, named Shenqiang, Fullman and Jinying, which enjoy ...