... farm. Model "Dongfeng"-12 walking tractor was awarded State Silver Prize. Huanghai Brand "Jinma"-18, 20, 22, 25, 30, 35, 40 ... addition. The Jinma Series Tractors honorably won the excellent Product Prize awarded by the Ministry of Machinery of China, and also ... won a gold medal in the International Fair, and were approved by OECD EC ...