Min. Order Reference FOB Price
1 set Negotiable
Product Description
QT4-25 concrete block making machinery /hydraulic press block machine 1. Raw material proportion of concrete block making machinery /hydraulic press block machine Qt4-25 Dongyue: 1). Cement 8-10%, 30%-40%sand, 50%-60% crushed stone 2). Cement 8-10%, flyash 30%, sand (stone powder)60%, 2 gypsum 2. ...