QingDao BothWin co,. ltd is an outstanding manufacturer of rubber conveyor belts and rubber sheets. It was established in the year 1997 and has been in the business of manufacture mining /construction purpose conveyor belt, aviation /goods transportation conveyor belt, inclined conveyor belt, agricultural rubber conveyor belt, industrial rubber conveyor belt, industrial rubber sheet, chevron Belts, and Natural Rubber Sheets, ETC. In addition, our quality system has passed the certificate of ...