SJ Concrete Block Machine, professional design,beautiful appearance, quality struction, full line, good efficiency, high automation. SJ block machine combines germany latest technology, makes it more practical and economy investment, SJ offers different kinds SJ10-15 SJ9-15 SJ8-15 SJ6-15 SJ5-15 SJ4-15 SJ4-20 and etc. 1.material batching process 2.material mixing process 3. moulding process 4. stacking process 5. automatic control system currently SJ owns many projects including china,west german, south east asia, gulf countries. welcome you to us!