TOPSUN INTERNATIONAL located in the Jiangsu Province, very near by shanghai, which is an industrial & trading enterprise specialized in manufacturing tire valve .valve core, tire parts ,and other accessories . our group have two factories main produce the tyre valves, the quality is pass the ISO9001:2000, ISO/TS16949, over many years of developing, we had tak big market share China. And also export to India , Russia ,USA, Vietnam ,Turkey , Brazil ,Italy , Spain . our valves main supplying to the inner tube OEM factory also.
