manhole cover

Company produces the new moulded Bi, CMC, water is made of composite materials production, without repeated use value, fundamentally eliminate theft, to make up for the deficiency of the cast iron, cement type of CMC, especially in the news media repeatedly reported: CMC were stolen and cause safety accidents, have a negative impact to the municipal public sector management. Now, our products are in a safe, convenient, beautiful, use fixed number of year made a historic breakthrough.
manhole cover