7C two or four tires - farm trailer, which is manufactured according to the national standards, is mainly suitable for the transportation operations between fields. The products is mainly divided into two types, namely an automatic tipper type and a non-automatic tipper type, of which the automatic tipper type can further be divided into two types, namely a back dumping type and a side dumping type. The trailer has the advantages of reliable quality, great bearing capacity, easy use and maintenance, etc. In addition, the trailer can be tailored according to the requirements of customers.