Wudi Gutong Construction Material Co., Ltd. is located in Xinyang Town, Wudi County, Binzhou City, Shandong Province. We has been specialized in producing all kinds of composite manhole cover for more than 10 years.According to different needs from different customers, Gutong offers OEM service for manhole covers. we produces BMC products, high-strength composite material manhole covers, gully covers, grates, other road facilities and water products. With such advantages as anti-theft,environmental protection, energy saving, noise reduction, light and beautiful styles and lifelong survival, our manhole covers have won the trust of our customers. Gutong was working on the local market during the past years with self-employed license, the recognition from our customers gave us confidence that we may go further with high quality products and concept of "SERVICE". Now we come to Alibaba as a manufactory & trading company, looking forward to your cooperation for mutual benefits.