One of the functions of the Manhole is a complementary building for the wastewater distribution system which functions as a place to check, repair, and clean the channel from dirt that settles and objects that get stuck during the flow, as well as to connect several channel branches, either with the same or different heights. The manholes we produce are round and square, hinged and non-hinged. standard, Medium duty and Heavy duty. For round manholes with a diameter of between 30 cm and 100 cm, for square manholes measuring between 40 cm and 100 cm. Medium duty manholes have a thickness of approximately 1 cm, then heavy duty ones have a thickness of approximately 1.5 cm, or can be adjusted to consumer demand, Because we can also make Custom Cast iron Manhole Covers or according to orders/Orders, be it tonnage or load capacity of cast iron manhole covers, or the size of cast iron manhole covers We can also make cast iron control tank cover motifs, according to request or order.