Hengshui Wan Hong Vibration Absorption Technology Co., Ltd. produces and sells post-tensioned isolation air bags, concrete barrier air bags, post-tensioned barrier air bags, pipeline sealing air bags, municipal sewage pipeline sealing air bags, water-tightness test air bags, pipeline sealing balls, and offers installation guidance from a factory with strong capabilities. Quality is guaranteed. Welcome to call for inquiries! 18931814896































