Weifang Guoan Engineering Machinery Co., Ltd is a modern large agricultural enterprise who is engaged in researching and manufacturing agricultural equipment since 1991. our round baler has become the highest sample of all Chinese corn harvester until today. Guoan has the rich experience in agricultural machinery production, products sales ranked first in China for many years. We also have rich experience in international trade. We offer free English training courses, every years, a lot of f...View More