... guarantee 5.Brick field machine QT4-20C building block molding machine 1- QT4-20C building block molding machine photosMain parameters about QT4-20C building block molding machine Main Technical SpecificationsDimension7100 ... , grass blocks, slope blocks, interlocking blocks, etc.Applied Fieldswidely used in buildings, road pavers, squares, gardens, landscaping, city constructions, etc.2 ...