Wholesale ductile iron pipe refers to the business model of purchasing and selling ductile iron pipes in large quantities, which is suitable for customers such as engineering contractors, distributors, and large scale projects that need a large number of pipes. The wholesale business of ductile iron pipes has the characteristics of large quantity, favorable price, and professional service, which can meet the needs of customers for large scale procurement. For customers, the biggest advantage of wholesale ductile iron pipes is the cost saving. Due to the large purchase quantity, the supplier can give a more favorable wholesale price, and the unit price of the pipe is lower than the retail price, which can significantly reduce the procurement cost of the project. This is very important for large scale engineering projects, as the pipeline