DINSEN hubless cast iron pipes and fitting also named no-hub cast iron soil pipes and fittings in USA and Canada, which is manufactured in accordance with ASTM A888 or CISPI 301. The standard specify the hubless cast iron soil pipe and fittings for sanitary and storm drain, waste and vent piping applications. The cast iron pipes and fittings is traditionally bitumen hot-dipped painted, however, Dinsen is trying hard to offer the epoxy coating pipes and fittings for the American and Canada markets, which would be the trend for the cast iron pipe development.