Hengshui Jianfeng Engineering Rubber co., LTD., a professional manufacturer of rubber product, built in the year 1999, Located in the North of China. Our main products include: Bridge and road construction products as various elastomeric bearings, bridge pot bearings, spherical bearings, bridge flexible equipment; Waterproofing products as rubber waterstops,pvc water stops, Bentonite Waterstop; Seismic isolation as lead rubber bearings, high damping rubber bearings, steel type seismic bearings and bridge expansion jont; inflatable pipe plugs; inflatable rubber dam; inflatable rubber mandrel for culvert concrete formwork; etc. Its annual production capacity is about 10000 tons...