We are a professional manufacturer of rubber pipe plugs and water-stop products. Since established in 1996, we had supplied many kinds of construction products for roads and bridges in China. And we cooperated with many water conservancy project companies successfully, such as Sinohydro bureau 13 Co., LTD., Beijing 3 building engineering company and Beijing 4 building engineering company and so on. We were honored with excellent supplier. Since 2000, our products were exported to many countries ...