... operating 5.after sales service guaranteed Good quality straw briquette machine 1.Analysis of market investment (A)Market ... are increasing every year. 2.Introduction of straw briquetting machine :Straw fuel briquette machine is a full set of mechanized production ... 4.Material of straw briquette machine:All kinds of corn straw, straw, rice, wheat straw, wheat shell, a dearth, bean straw, cotton stalk, ...