Abstract:Brand Haili /Model Baosteel 35t slag tank truck in which all elements were made in China is a new product;With its successful development and effective application in Baogshan Iron and stell works,it opens a new way to the transportation of China steel works.The performance of the slag tank truck has reached to that of the same products made in other countries.The CAD technique was used in the deveopment of slag tank truck.These indicate that the development of steel works equipment in China has enered into a new stage and provide a good condition for replacing the foreign trucks by the domestic trucks.