Cement clinker, river sand, machine-made sand and other construction raw materials as one of the company's main businesses, adopt advanced kiln body and mature screening technology to provide high-quality products and services for customer groups. The company actively opens up the upstream and downstream ports and transfers the imported cement clinker from Vietnam to China for sales. At the same time, it has a large amount of inventory at the docks and warehouses in Nantong, Yueyang, Ningbo, Guangzhou and other places with sufficient output.