Jia shan jinlong cement product co., ltd.is the most biggest factory in Jia Shan at present, which specialized in producing and inspecting the basin cover. The “Jinlong” brand of Steel-concrete composite fabric compound sewer well cover is subtly made of high-tech compound material and high strength beton. It has strong compressive resistance 、good Guard against theft、beautiful outlook、twopenny price、Environmental protection safe and so as 5 advantages.